I have 1 18″ 6.8spc that comes out of the safe for hunting while the Grendel’s stay. If you have both, shoot them sided by side at steel. You can plainly see which hits harder. Also the steel case cheap ammo is
At some point AR owners find out that having multiple calibers on hand is very affordable and nearly instant to swap. Collect a series of Apache assembled uppers and to swap onto your lower to have many, MANY calibers and uses. AR15 swaps out in seconds to .330 blackout for hunting or...
That said, Smith & Wesson chambers its M&P15 AR-style rifle in .300 Whisper and states on its website that those guns can safely fire .300 AAC Blackout ammo as well as .300 Whisper ammo. .300 AAC Blackout in .300 Fireball AR? Since launching operations in 1989, AAC has financed mo...