The Springfield Armory M1A/M14 308 Winchester Magazine is compatible with Springfield Armory M1A and M14 rifles. This 20-round magazine holds both 308 Winchester and 7.62 ammo. The body of this Springfield M1A magazine is built with heat-treated steel and finished with black oxide for enhanced durability. An injection-molded follower and a chrome-silicon spring deliver reliable feeding. Made in the USA, the Springfield Armory M1A/M14 .308 20-Round Magazine is great as a replacement or backup magazine for your Springfield M1A or M14 rifle.