Most AR-15 owners obsess over triggers, optics, and furniture, then quietly sabotage the rifle with a barrel that does... The ...
Key point: Technically, the AR-556 is an AR-15 pistol. That means it is designed to be smaller but still packs a big punch. Ruger’s AR-556 pistol, a short-barreled AR-15 designed for one or two-handed ...
Ruger’s AR pistol has a barrel length of 10.5 inches with a 1 in 8-inch barrel twist. This twist, a compromise between the 1 in 9-inch twist for 55-grain bullets and a 1 in 7-inch twist for 62 grain ...