Most shooters obsess over optics, triggers, and loads — but a tiny number on a spec sheet like “1:7” or “1:12” can decide whether your shots group or wander. The figure is the barrel’s twist rate: the ...
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 ...
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