For owners of .40 S&W-chambered Glocks, Lone Wolf's Alphawolf caliber-conversion slides are an easy way to update the design.

The engineers at Lone Wolf Distributors recognized that it was possible to build a slimmed-down .45 GAP upper assembly with the same profile as standard compact and subcompact models. The result?

The rifle, which is also used by U.S. Special Operations Command forces, includes caliber conversion options, allowing Marines to fine-tune their missions. Barrels can fire 7.62mm, ...

There are several variants of the heavy-hitting .50 caliber round, used by the U.S. military in M2 machine guns and M107 sniper rifles. The .50 caliber M8 armor-piercing bullet has an aluminum ...