A gas operated autoloading firearm having an improved bolt carrier. The gas piston system
may include a barrel defining a longitudinally-extending bullet pathway, a gas block defining …

A gas piston operating system for an autoloading firearm. The gas piston system may
include a barrel having a longitudinally-extending bullet pathway, a gas block defining a …

(57) ABSTRACT A gas block assembly for a firearm comprises a gas cylinder fluidly coupled
to the bore of a barrel of the firearm through a gas inlet port, and an automatically adjusting …

F4I435/06(200 6,015 an adjustable gas pistonblock located forward on the firearm F41G
II/OO(200 6. 01) and an over-the-barrel spring and guide rod arrangement, all F4 IA 2 …

Gas-operated automatic weapon, including a barrel having a cylindrical portion that is
blended with a cartridge chamber which can be closed by a breech block, wherein it …

US7946214B2 - Gas system for firearms - Google Patents US7946214B2 - Gas system for
firearms - Google Patents Gas system for firearms Download PDF Info Publication number …

7,162,823 7,213,498 7,225,574 7,231,864 7,252,138 7,311,032 7,316,091 7,337,574
7,343,844 7,347,021 7,356,957 7,418,898 7,448,307 7.461, 581 7.469, 624 7,587,956 …

(57) ABSTRACT A gas block assembly for a firearm comprises a cylinder chamber fluidly
coupled to the bore of a barrel of the firearm through a gas inlet port. A spool-type balancing …

(57) ABSTRACT A gas operating system for a firearm renders the firearm capable of firing a
wide range of shot loads by passively or automatically compensating for different shot loads …

4,475.438 A 10/1984 Sullivan EP 1215 464 6, 2002 4,505,183 A 3, 1985 Greh EP 1624 275
2, 2006 4,538,502 A 9, 1985 Benelli FR 2686 152 7, 1993 4,563,937 A 1, 1986 White GB …