Patent ID: 8973483
Filing Date: 2015-03-10
Classification: F41A,F41C

Abstract:
1. A device comprising: a gas regulator block configured to mount to a barrel of a firearm; a gas regulator disposed substantially within the gas regulator block and configured to adjustably vary an amount of gas flow through the gas regulator block; a cover configured to rotate from a closed position in which the cover covers a portion of the gas regulator block to limit adjustment of the amount of gas flow to an open position in which the cover uncovers the portion of the gas regulator block to facilitate removal of a gas regulator screw; a gas passage formed in the gas regulator block, the gas passage being configured to communicate gas from a gas port in the barrel to the gas regulator, wherein the device comprises the barrel to form the firearm; a tube configured to extend from the gas regulator block to a bolt carrier assembly of the firearm; and a plug disposed in the gas regulator block and configured to divert gas into the tube; wherein the gas regulator screw intersects the tube.