Adjustable gas block

Register USPTO Patent
Application Number 15000587
Grant Number 09995546
Status In Force
Filing Date 2016-01-19
First Publication Date 2016-09-15
Publication Date 2016-09-15
Grant Date 2018-06-12
Owner LWRC International LLC (USA)
  • Schilling, Robert S.
  • Miller, Jason Lee
  • Llewellyn, Michael R.


Systems and methods for an adjustable gas block are described. Systems may include an adjustment subassembly. The adjustment subassembly may include a valve stem end with a front-most portion larger in diameter than the rear-most portion and a boss extending from the forward portion of the valve stem end; a valve ring surrounding the boss of the valve stem end; a valve threaded portion for receiving the boss of the valve stem end and having a threaded portion; and a valve rotator coupled to the valve threaded portion for adjusting the flow of gas. Systems may include a gas block assembly. The gas block assembly may include a gas block through hole; a first duct to direct pressurized gas from a barrel to a plenum; a second duct to direct a regulated volume of gas to a gas operating system; a seat valve to control the regulated volume of gas to the gas operating system; and a gas block threaded portion for coupling to the valve threaded portion. The adjustment subassembly may be coupled to the gas block assembly.

IPC Classes  ?

  • F41A 5/00 - Mechanisms or systems operated by propellant charge energy for automatically opening the lock
  • F41A 5/26 - Arrangements or systems for bleeding the gas from the barrel
  • F41A 5/28 - Adjustable systems