Discussion Starter · #1 ·
I am ready to build my first AR - It wil be a 20" varmit rifle. I'm a noob to this and am not quite sure about the .223 vs 5.56 choice. I know that a.223 will be more accurate from the .223 chamber - but how much better is it? Does anybody with a 5.56 shoot 5.56 ammo?