The most common definition of “caliber,” as it pertains to guns, is about as straightforward as you could want it to be: Caliber simply mean the diameter of the hole in a rifle or pistol barrel. Yet ...

Although many hunters are not aware of it, taking deer with a .22-caliber rifle is legal in the majority of states. Richard Mann A few years back I conducted exhaustive research to determine the ...

U.S. Special Operations Forces are poised to deploy a new sniper rifle that's capable of quickly changing calibers to adapt to different missions. The Barrett Multi-Role Adaptive Design (MRAD) Mark 22 ...