Removing this latch allows the handguard to slide off in order to provide access to the gas-piston system. ... Action: Short Stroke Gas Piston Operated Semi-automatic Caliber: 5.56 NATO/.223 Rem ...

A short-stroke gas piston system allows the SIG MPX to run reliably across 9mm NATO and .40 S&W calibers, and the higher velocity .357SIG cartridge - without adjustments.

In this review, we take a look at a pistol version of the Primary Weapon Systems MK109 long-stroke piston-operated AR-15 chambered in .300 Blackout.

The standard CSA45 carbine features a short-stroke gas piston operation with rotating, locking bolt. It has standard AR-15 type fire control and weighs just 6.1 pounds, according to a recent press ...

The primary difference between the T65 and the M16 is the incorporation of a short-stroke external piston gas system instead of the internal piston gas system used in the M16.

Designed in 1977 and introduced the following year, the legendary short-stroke, gas-piston-operated Steyr AUG was immediately adopted as the standard battle rifle of the Austrian Army as the StG ...

While other designs—including Kalashnikov’s successful AK predecessors—used locked breech systems that were driven by gas ... -11-56 designs were an adaptation of his short-stroke gas piston ...