In post-WWII America, one of the most popular military-surplus guns on the market was the M1 Carbine, thanks to its light, handy construction, semi-automatic operation and detachable magazine. Today, these military classics continue to be popular with WWII enthusiasts and plinkers, and these M1 Carbine steel magazines are designed to work in today's reproduction and original rifles. The M1 Carbine steel magazine is designed for use with .30 Carbine cartridges only and have a magazine body made from heat-treated carbon steel. The magazine is treated with a black-oxide finish that combats corrosion and premature wear. Inside each M1 Carbine steel magazine, you'll find a sp Mfg: Pro Mag