PICTURED - MIDDLE: Ruger's factory target barrel is .625" in diameter under the hand guard and the gas block. PICTURED - Bottom: Accuracy Systems full length .850" diameter Varmint Barrel. What a Shooter - 24" X 1" Krieger barrel Capable of ½ MOA @ 100 yards. Full 1" Bull Barrel!
Regardless of barrel length, I want a rifle to balance near the front of the action, so that it is neither butt- nor muzzle-heavy. About the hinge-pin seems perfect on a double, and somewhere near the forward receiver ring feels right for a bolt action. This balance is nice to carry...
There are a large number of weapons that have been developed and sold having a gas cylinder that is mounted directly to the barrel. Notable examples are the Soviet AK family, FN FAL, and the US M1, M14, M1 Carbine and M60 Machine Gun. In these weapons the propellant gas is ported fro...