So, I set out to test a variety of loads to determine exactly what makes for the best 300 Blackout ammo in the field? This all-copper bullet is the one my son has used the most while hunting ...

Is .300 Blackout ammunition compatible with guns chambered for .300 Whisper and vice-versa? Silver replied: “Hornady .300 Whisper ammo, according to Hornady, has been specifically tested to be ...