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Assault rifle in the eyes of soldiers. M 249 SAW- a belt fed, fully automatic rifle. Fired from the open bolt position. Fires 5.56 caliber bullets. Complete with a fire regulator, to
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What firearms, other than AK variants, use a long stroke gas piston? - Quora
Ask Foghorn: Short Stroke Versus Long Stroke Pistons - The Truth About Guns
