Ammo Review: Federal's New 7mm Backcountry ... you could just re-barrel your old 270 or 30-06 rifle for the 7mm Backcountry. All you would need is a 1-in-8-twist, 7mm barrel and a competent ...
Subsonic factory ammunition ... down with a rifle at a shooting bench is, “How much does this gun kick?” With the 300 BLK, the answer is not much. It recoils less than a 30-30.