A mount assembly for attaching a firearm accessory to a muzzle of a firearm that promotes a more secure connection. The mounting assembly includes a front collar and a rear collar that are operable to clamp the mount assembly onto the muzzle. A detent ring mounted on the front collar yieldably biased by a spring against the rear collar to resist relative rotation of the front and rear collars. The mounting assembly is constructed so that the spring force applied by the spring does not continually increase as the front and rear collars move to clamp onto the muzzle. Detent springs used to yieldably hold the front and rear collars against relative rotation can be weaker than the main spring, which further reduces unwanted forces working against clamping of the mount assembly onto the muzzle. The mount assembly is also constructed to inhibit carbon lock.
A stock has a buttstock. The buttstock includes an adjustable comb. The comb is connected to a body of the buttstock via a rod extending into the body of the buttstock and movable along a first axis. The position of the rod and comb is locked and unlocked by a latch. The buttstock includes an adjustable recoil pad. The recoil pad is connected to the body via a threaded rod mated with a nut embedded within an end of the body. The threaded rod and recoil pad move a direction along a longitudinal axis of the body depending on the rotation of the nut.
A charging handle assembly for a rifle has a body extending along a first axis. The body comprises a first side, a second side oppositely disposed, and an opening therebetween. A first handle is connected to the first side and extends away from the body along the first axis. A second handle is connected to the second side and extends away from the body along the first axis. A rod, comprising a first end and a second end, extends through the opening along a longitudinal axis oriented transversely to the first axis. A return spring acts between the body and the first end of the rod and biases the body towards the second end of the rod. The body is movable between the first end and the second end of the rod and compresses the spring when moving towards the first end.
A combination back strap and grip extender mountable on a grip of a firearm. The grip defines a magazine well. The combination comprises a strap positionable lengthwise along and overlying an anterior portion of said grip. The strap has first and second ends oppositely disposed. The first and second ends are removably attachable to said grip. The grip extender is mounted on said second end of said strap. The grip extender comprises a collar defining a lumen aligned with said magazine well when said strap overlies said grip.
An ammunition magazine is disclosed including a tube surrounding a central space and having first and second ends oppositely disposed and having a first opening being positioned at the first end providing access to the central space. A spacer surrounds the tube proximate to the first end. A catch plate is integrally formed with the spacer. A butt plate is attached to the first end and overlies a portion of the spacer. The spacer being is captured between the butt plate and the tube. A fastener is positioned on the catch plate and engages the butt plate to retain the butt plate to the spacer.
An arrangement of a hammer and a sear for a firearm having a frame is disclosed. The arrangement includes a hammer mountable within said frame for pivoting motion about a hammer pivot axis. The hammer includes a hammer body defining a hammer lug surrounding said hammer pivot axis and a hammer face positioned distal to said hammer pivot axis. A slot is positioned within said hammer body. A catch surface is positioned on said hammer body within said slot. A sear is mountable within said frame for pivoting motion about a sear pivot axis. The sear includes a sear body defining a sear lug surrounding said sear pivot axis and an action surface positioned on said sear body distal to said sear pivot axis. The action surface is movable into and out of engagement with said catch surface upon rotation of said sear body about said sear pivot axis. At least a portion of said sear body is received within said slot.
A trigger return and safety mechanism are mountable on a frame of a firearm. The trigger is mountable on the frame and pivotable about a trigger pivot axis. A strut is pivotably attached to the trigger at a strut pivot axis oriented parallel to and offset from the trigger pivot axis. The strut comprises a spring bearing surface and a safety bearing surface. A spring acts between the spring bearing surface and the frame for biasing the trigger into a reset position after the trigger has been pulled. A body is mountable on the frame, the body being movable between a first position wherein the body is not engageable with the safety bearing surface, thereby allowing pivoting motion of the trigger, and a second position wherein the body is engageable with the safety bearing surface thereby limiting pivoting motion of the trigger.
A suppressor baffle and a suppressor for a firearm. The suppressor includes a firearm attachment portion, a sleeve portion, and a baffle assembly with a plurality of baffles. At least one of the baffles includes a tubular body with a proximal exterior surface. The proximal exterior surface has a plurality of spaced-apart annular ridges. A first annular ridge includes a first annular compression surface and a first annular expansion surface, and a second annular ridge includes a second annular compression surface. The ridges are shaped and arranged to define a convex first expansion corner between the first annular compression surface and the first annular expansion surface, and a concave first compression corner between the first annular expansion surface and the second annular compression surface. Gas flowing along the proximal exterior surface expands at the first expansion corner and compresses at the first compression corner to dissipate energy in the gas.
A firearm suppressor for use with a firearm includes a sleeve, an end cap, a baffle, a first exhaust passage, and a second exhaust passage. The sleeve has an inlet end, an outlet end, an interior volume, and an interior surface. The baffle is received in the sleeve and has an annular body with a central passage through the annular body. The first exhaust passage extends along a longitudinal axis of the sleeve and through the central passage of the baffle and allows gas to exit to the exterior of the sleeve. The second exhaust passage has a plurality of distinct exhaust gas channels. The distinct exhaust gas channels provide separate flow paths for exhaust gas to exit to the exterior of the sleeve.
A firearm accessory and an end cap useful with the firearm assembly. The firearm assembly handles exhaust gas expelled with a round fired from a firearm and includes a fitting, a sleeve, a fluid pressure dissipation structure, and an end cap assembly at a distal end of the dissipation structure. The sleeve defines an internal volume that at least partially receives the dissipation structure. The end cap assembly and the dissipation structure at least partially define one or more distal chambers communicating with the internal volume. The end cap assembly defines a first, a second, and a third passage, each communicating with an exterior of the accessory. The first passage allows a bullet to pass through. The second passage includes a port in the end cap assembly radially outward of the first passage. The third passage includes a port located radially outward from the port of the second passage.
A suppressor baffle and a firearm suppressor for suppressing the volume of the report of a firearm includes a fitting for mounting the suppressor on a firearm, a sleeve, and a baffle assembly. The sleeve is supported by the fitting. The baffle assembly is at least partially received in an internal volume defined by the sleeve. A first baffle in the plurality of baffles has a conical section with a proximal opening and a port. The port is elongate in a direction along the circumference of the conical section. The port provides a fluid path through the conical section from an entrance chamber of the suppressor to an internal conical volume defined by the conical section. Gas flowing along the first baffle is directed through the port, causing energy dissipation in the gas.
A firearm having a fixed magazine uses a latch to secure upper and lower receivers to one another in a closed position. The upper and lower receivers can be pivoted relatively to one another into an open position providing access to the magazine for loading by rotating the latch to release the upper and lower receivers from one another. The latch includes a hook spring biasing a hook contact surface of the latch to engage a hook receiving surface of a receiver when the receivers are moved from the open position to the closed position.
A bullpup shotgun which ejects shells from the bottom of its action has a reciprocable cover which, when in a closed position, overlies the breech end of the shotgun's barrel. When in an open position, the cover is in spaced relation to the barrel breech end, allowing access to the shotgun's action to clear an ammunition feed malfunction. The cover is mounted on a butt stock, and is slidable or rotatable relatively to the shotgun's butt stock to effect motion of the cover between the open and closed positions.
F41A 9/00 - Chargement ou alimentation en munitions; Chargeurs; Moyens de guidage pour l'extraction des cartouches
F41A 3/66 - Boîtes ou châssis de culasse; Carcasses
F41A 15/12 - Extracteurs de cartouche, c. à d. dispositifs pour retirer les cartouches ou les douilles au moins partiellement de la chambre de cartouche; Ejecteurs de cartouche, c. à d. dispositifs pour éjecter les cartouches ou les douilles retirées de l'arme à feu pour des armes à feu à culasse mobile axialement
F41C 23/04 - Crosses ou parties de crosses articulées ou télescopiques
F41C 7/02 - Armes à feu à pompe, c. à d. armes à feu comportant une poignée coulissant en va-et-vient disposée en-dessous du canon, pour le chargement ou l'armement
An action for a firearm uses a rotating barrel on which are mounted lugs and a cam follower. The barrel is positioned coaxially within a tube fixed to the frame of the firearm. A cam, engaged by the cam follower, is also fixed to the frame. A gas space is defined between the tube and the barrel by a thrust surface on the barrel and a reaction surface on the tube. A gas port connects the gas space with the barrel's bore. A slide overlies the tube and defines longitudinally oriented grooves which receive the lugs when the barrel is rotated by interaction between the cam and the cam follower to align the lugs and the grooves. Motion of the barrel is arrested by interaction between the cam and cam follower, and motion of the slide relative to the barrel is permitted when the lugs align and engage the grooves.
F41A 3/28 - Mécanismes à verrous rigides, c. à d. les éléments de verrouillage formant un assemblage rigide avec, respectivement, le bloc de culasse ou son levier de manœuvre, et le tube de l'arme ou la boîte de culasse les verrous tournant autour de l'axe du tube de l'arme, p.ex. verrous de culasse cylindriques rotatifs à action semi-automatique ou automatique, p.ex. le bloc de culasse comportant un support coulissant et une tête rotative comportant des verrous encastrés dans un bloc de culasse cylindrique non rotatif et des verrous rotatifs montés sur le tube de l'arme ou la boîte de culasse, p.ex. des bagues rotatives de verrouillage
F41A 5/20 - Mécanismes ou systèmes automatiques de déverrouillage de la culasse à l'aide d'une force créée par une charge propulsive par emprunt des gaz utilisant un piston à gaz monté de façon concentrique autour du tube de l'arme
F41A 5/24 - Mécanismes ou systèmes automatiques de déverrouillage de la culasse à l'aide d'une force créée par une charge propulsive par emprunt des gaz la pression des gaz agissant directement sur le bloc de culasse ou sur les verrous
41 - Éducation, divertissements, activités sportives et culturelles
Produits et services
Educational services, namely, providing courses of instruction in recreational shooting, tactical and defensive firearms training for civilians and security professionals
Fire control mechanisms for a firearm include a trigger disconnect assembly and an action lock mechanism which work together to ensure safe and reliable firearm operation. The trigger disconnect uses a spring biased disconnector pivotably mounted on the trigger to actuate the sear and release a hammer sear upon firing. The hammer sear engages a compliant interface formed by a spring which actuates the action lock to unlock the bolt after the trigger has been pulled.
F41A 17/42 - Sûretés pour arrêter le bloc de culasse dans une position de sécurité
F41A 19/45 - Mécanismes de gâchette pour retenir le chien après chaque coup, c. à d. pendant le tir coup par coup ou le tir semi-automatique
F41C 7/02 - Armes à feu à pompe, c. à d. armes à feu comportant une poignée coulissant en va-et-vient disposée en-dessous du canon, pour le chargement ou l'armement
A firearm using blowback action has a barrel which is movably mounted within a shroud which is fixedly mounted on the firearm's frame. A gas space is formed between the barrel and the shroud by a difference between the inner diameter of the shroud and the outer diameter of the barrel. At least one gas port provides fluid communication between the bore of the barrel and the gas space. During firing of a cartridge, pressurized gas in the gas space applies a force to the barrel which moves relatively to the shroud away from the muzzle end of the firearm to engage a slide or bolt, helping to move it out of battery and extract the spent cartridge casing. Gas is vented to the atmosphere through a gas vent defined between the barrel and the shroud in fluid communication with the gas space.
F41A 5/02 - Mécanismes ou systèmes automatiques de déverrouillage de la culasse à l'aide d'une force créée par une charge propulsive à recul
F41A 5/24 - Mécanismes ou systèmes automatiques de déverrouillage de la culasse à l'aide d'une force créée par une charge propulsive par emprunt des gaz la pression des gaz agissant directement sur le bloc de culasse ou sur les verrous
F41A 5/26 - Dispositions ou systèmes pour évacuer les gaz du tube de l'arme
F41A 5/14 - Butées de tubes d'arme, c. à d. dispositifs pour retenir le tube de l'arme qui recule dans une position prédéterminée, p.ex. en position arrière de recul
An inertial decoupler and suppressor assembly, associated components, and associated methods. The inertial decoupler is adjustable to change a preload of a spring biasing a piston toward an at-rest position and/or to change a permitted travel distance of the piston away from the at-rest position. The inertial decoupler can be removable from the suppressor and usable with other suppressors, or can be integrated with a dedicated suppressor.
A sear mechanism for a firearm pivotably mounts a sear body on a sear lever which is pivotably mounted on the firearm frame. An actuator lever is also pivotably mounted on the frame. The actuator lever is pivoted by a trigger bar connected to the firearm's trigger. Pivoting of the actuator lever when the trigger is pulled allows the sear lever to pivot. Pivoting of the sear lever allows the sear body to fall off of a surface on a striker, releasing the striker to discharge the firearm.
An ammunition magazine for a firearm uses a spacer to extend the grip. The spacer is attached to the magazine's tube using a combined fastener and detent mechanism which acts between the magazine's butt plate and floor plate. The butt plate is attached to the magazine tube and the spacer is captured between the butt plate and floor plate.
A magazine for feeding ammunition to a firearm includes a tube surrounding a longitudinal axis and defining a central space for receiving the ammunition. The tube has first and second ends. A follower is slidably movable within the tube. A butt plate is removeably attached to the first end. The butt plate defines a bore. A plunger is movably positioned within the bore and includes a first mounting cam. A first catch, mounted on the butt plate, is engageable with the tube proximate to the first end. The first catch is movable relative to the butt plate in a direction transverse to the longitudinal axis. The first catch includes a cam follower engageable with the first cam. A spring acts between the plunger and the follower for biasing the plunger toward the butt plate and the follower toward the second end.
F41A 9/71 - Dispositions pour faire varier le volume du chargeur; Dispositifs insérables ou dispositifs adaptateurs permettant l'emmagasinage de cartouches de type ou de calibre différents
F41A 9/70 - Dispositions sur les chargeurs pour faciliter leur déchargement, p.ex. élévateurs de cartouches, lèvres de retenue
Administration of a program for enabling participants to obtain discounts on products and services; Administration of a customer loyalty program which provides discounted firearms
A trigger return spring assembly mountable on a frame of a firearm includes a trigger mounted on the frame pivoting about a first axis of rotation. A trigger bar attached to the trigger pivots relative to the trigger about a second axis of rotation fixed on the trigger. A bore extends through the trigger along a third axis oriented transversely to and positioned between the first and second axes of rotation. A plunger extends through the bore and is movable along the third axis. A first end of the plunger is attached to the trigger bar and a second end has a retaining surface oriented transversely to the third axis. A shoulder is positioned within the bore proximate to the trigger bar. A compression spring captured within the bore, between the shoulder and the retaining surface, exerts a force pushing the retaining surface away from the shoulder.
A bullpup shotgun which ejects shells from the bottom of its action has a reciprocable cover which, when in a closed position, overlies the breech end of the shotgun's barrel. When in an open position, the cover is in spaced relation to the barrel breech end, allowing access to the shotgun's action to clear an ammunition feed malfunction. The cover is mounted on a butt stock, and the butt stock may be movable relatively to the shotgun's receiver to effect motion of the cover between the open and closed positions.
F41A 9/00 - Chargement ou alimentation en munitions; Chargeurs; Moyens de guidage pour l'extraction des cartouches
F41A 3/66 - Boîtes ou châssis de culasse; Carcasses
F41A 15/12 - Extracteurs de cartouche, c. à d. dispositifs pour retirer les cartouches ou les douilles au moins partiellement de la chambre de cartouche; Ejecteurs de cartouche, c. à d. dispositifs pour éjecter les cartouches ou les douilles retirées de l'arme à feu pour des armes à feu à culasse mobile axialement
F41C 23/04 - Crosses ou parties de crosses articulées ou télescopiques
F41C 7/02 - Armes à feu à pompe, c. à d. armes à feu comportant une poignée coulissant en va-et-vient disposée en-dessous du canon, pour le chargement ou l'armement
A breech cover interlock coordinates the motion of a breech cover with the motion of the fore end of a pump action firearm. The interlock features an action bar which is connected to the fore end and has a catch which is engaged by a latch mounted with the cover on a movable buttstock. Engagement between the catch and the latch prevents the buttstock and cover from moving and thereby exposing the firearm's breech while the firearm's action is in battery as evidenced by the position of the fore end. Motion of the fore end out of battery disengages the latch and catch and permits the cover to be moved out of overlying position with the breech to permit access to the breech to clear a malfunction.
F41C 7/02 - Armes à feu à pompe, c. à d. armes à feu comportant une poignée coulissant en va-et-vient disposée en-dessous du canon, pour le chargement ou l'armement
F41A 3/58 - Mécanismes de culasse, p.ex. verrouillages à bascule, p.ex. pour fusils de chasse
F41A 3/66 - Boîtes ou châssis de culasse; Carcasses
F41A 3/72 - Leviers ou poignées d'armement; Leur montage sur les blocs de culasse
A shotgun is formed of sub-assemblies which include a lower receiver upon which a butt stock and an upper receiver are mounted. The lower receiver houses the fire control mechanism, the butt stock includes an ammunition elevator and a breech cover. Magazine tubes, ammunition cut-offs, a selector, a selector interrupter and the barrel are mounted on the upper receiver.
F41A 3/66 - Boîtes ou châssis de culasse; Carcasses
F41C 7/02 - Armes à feu à pompe, c. à d. armes à feu comportant une poignée coulissant en va-et-vient disposée en-dessous du canon, pour le chargement ou l'armement
A shotgun has right and left magazines from which ammunition may be fed to the action using a selector mounted on a movable fore-end chassis whose motion cycles the action. An interrupter prevents the selector from switching between magazines unless the action is in battery with the fore-end chassis fully forward toward the muzzle end of the shotgun. Respective right and left outer cut-offs on the magazines cooperate with an inner cut-off to ensure proper coordination of ammunition feed as the action is cycled by motion of the fore-end chassis. The outer cut-offs are also manually operable to permit removal of ammunition from the magazines without cycling the action.
F41C 7/02 - Armes à feu à pompe, c. à d. armes à feu comportant une poignée coulissant en va-et-vient disposée en-dessous du canon, pour le chargement ou l'armement
F41A 3/66 - Boîtes ou châssis de culasse; Carcasses
A firearm sound suppressor and associated methods. The suppressor can include first and second firearm connectors at opposite ends of the suppressor for connecting to firearm mounts of different types. The suppressor can include symmetrical baffling and/or symmetrical gas flow passaging such that sound reduction performance of the suppressor is generally the same notwithstanding whether the first or second firearm connectors is used to connect the suppressor to the firearm. A protector can be used to protect the firearm connector that is not connected to the firearm.
Firearms and component parts thereof; BB guns; pellet guns; starter pistols; airsoft guns and paintball guns for training purposes; airsoft guns and paintball guns not for recreational use; firearm slings; firearm tactical cases; cases for firearms; range bags especially adapted to carry firearms and munitions to gun ranges; ammunition for firearms; ammunition for muzzle-loading firearms; holders, and pouches for ammunition, magazines, and shooting accessories; holsters; sprays for personal defense purposes; cleaning and loading implements for firearms, namely, brushes, jags, swabs, rods, bullet starters, pull-throughs, closer cups, powder measures, shell extractors, cappers and decappers; protective metal coating, sold as a component part of firearms; firearms magazines and component parts thereof; magazines for BB guns, pellet guns, paintball, and airsoft guns; and firearms grips, stocks and forends
Fire control mechanisms for a firearm include a trigger disconnect assembly and an action lock mechanism which work together to ensure safe and reliable firearm operation. The trigger disconnect uses a spring biased disconnector pivotably mounted on the trigger to actuate the sear and release a hammer sear upon firing. The hammer sear engages a compliant interface formed by a spring which actuates the action lock to unlock the bolt after the trigger has been pulled.
F41A 17/42 - Sûretés pour arrêter le bloc de culasse dans une position de sécurité
F41C 7/02 - Armes à feu à pompe, c. à d. armes à feu comportant une poignée coulissant en va-et-vient disposée en-dessous du canon, pour le chargement ou l'armement
F41A 19/45 - Mécanismes de gâchette pour retenir le chien après chaque coup, c. à d. pendant le tir coup par coup ou le tir semi-automatique
A semiautomatic pistol has a takedown lever which also acts as an ejector. The takedown lever includes an ejector head and a finger. The finger is engageable with a sear when the takedown lever is rotated by depressing the ejector head through the ejection port when the slide is out of battery. This rotates the sear so that the slide may be removed by sliding it toward the muzzle end of the pistol.
A mounting mechanism has a base upon which a rotating cam is mounted. The cam has a lobe which extends beyond the perimeter of the base when the cam is in a first position and remains within the perimeter of the base when the cam is in a second position. A detent is used to lock the cam in the first position. The detent includes a leaf spring positioned on the cam which defines a kink. The kink is engageable within a niche in the base when the cam is in the first position. An accessory attached to the mounting mechanism may be attached to a structure using the mounting mechanism. The base fits within a slot in the structure and the lobe of the cam engages the structure when the cam is in the first position to lock the mounting mechanism and the accessory to the structure.
A firearm suppressor includes a muzzle mount; blast, intermediate and distal baffle cups; a distal end cap; and a shroud. The muzzle mount, baffle cups, and end cap thread together at threaded interfaces. Each baffle cup has an externally threaded proximal segment threadably received in the proximally adjacent component. The distal baffle cup has an externally threaded distal segment received in the end cap. The components are shaped and arranged to form sealed interfaces upstream of the threaded interfaces along the flow path of gas through the suppressor. The baffle cups include baffle walls defining chambers sized and arranged to limit first round pop. The baffle walls define vent passages extending along axes oriented at skew angles with respect to the axes of the baffle cups. A distal baffle cup includes an annular recess for reducing the weight of the suppressor adjacent the distal end.
A magazine safety for a semiautomatic firearm uses two levers connected via a floating pin. The first lever is pivotable into and out of the magazine well. The second lever is spring biased to position a spur extending therefrom into the path of a trigger bar. An end of the second lever is connected to the first lever via the floating pin. In the absence of the magazine from the magazine well the first lever will rotate into the magazine well, thereby permitting the second lever to rotate and position the spur in the path of the trigger bar to prevent discharge of the firearm.
An extractor for a semiautomatic firearm has an elongated strap with a hook at one end and a projection at an opposite end. The hook engages the rim of a chambered cartridge and the projection is received within a recess in the slide. A notch in the strap engages a pin in the slide to retain the extractor. One end of a leg is attached to the strap near the hook, the opposite end of the leg engages the slide. The leg acts as a biasing spring to bias the hook into engagement with the cartridge.
F41A 15/14 - Extracteurs de cartouche, c. à d. dispositifs pour retirer les cartouches ou les douilles au moins partiellement de la chambre de cartouche; Ejecteurs de cartouche, c. à d. dispositifs pour éjecter les cartouches ou les douilles retirées de l'arme à feu pour des armes à feu à culasse mobile axialement l'éjecteur étant monté sur ou dans le bloc de culasse
Online retail store services in the field of accessories for firearm suppressors, flash suppressors and muzzle devices, and mounting tools therefor, mounting adaptors for firearm suppressors and parts therefor, inert suppressors, pistol barrels, firearm barrel thread protectors, firearm bolt carriers, and apparel
A reflex sight for a firearm has an optical element received within a receptacle of a housing. The housing is mounted on the firearm. Shoulders extending from a base of the optical element engage corresponding shoulders extending from the housing into the receptacle to position the optical element so that it intersects a line of sight parallel to but offset from the firing axis of the firearm. The optical element includes a collimating reflector which produces a virtual reticle visible when viewed along the line of sight when aiming the firearm. The optical element is captured within the receptacle between the firearm or a plate and the shoulders of the housing.
An inertial decoupler and suppressor assembly, associated components, and associated methods. The inertial decoupler is adjustable to change a preload of a spring biasing a piston toward an at-rest position and/or to change a permitted travel distance of the piston away from the at-rest position. The inertial decoupler can be removable from the suppressor and usable with other suppressors, or can be integrated with a dedicated suppressor.
A monocore for a sound suppressor that significantly enhances the trapping and delay of the gases exiting from the sound suppressor due to the design, location, and configuration of slanted baffles and angled half-baffles, and a plurality of rods. The slanted baffles help define the blast chamber, expansion chambers, and exit chamber of the monocore. The plurality of rods may be positioned in the blast chamber or the expansions chambers. The plurality of rods may vary in length. The plurality of rods may also replace the angled half-baffles.
A grip strap is removably attachable to a grip of a firearm using a plunger mounted in the grip and biased by a mainspring which also biases a hammer strut of the firearm.
A firearm sound suppressor and associated methods. The sound suppressor includes a distal end wall and a flash hider on the distal end wall for reducing flash at an outlet of the suppressor. The sound suppressor can include a core including gas baffling integrally formed with the distal end wall and the flash hider. The flash hider can include a plurality of arms having slots therebetween and extending distally away from the distal end wall.
A safety for a firearm has a blocking lever with an arresting lobe that engages a plunger. The arresting lobe and plunger are statically counterbalanced about a pivot axis by a counterbalance lobe on the blocking lever. The blocking lever is movable between a safe position, where it engages and prevents motion of a firing element, and a fire position, where it cannot engage the firing element. A cam, moved by the trigger, moves the plunger, which moves the blocking lever from the safe to the fire position to permit discharge of the firearm upon further pull of the trigger.
