This is the ProMag Springfield M1A, M14 .308/7.62×51 10-round magazine.

If you want maximum durability and maneuverability in one package, look no further than this 10-round steel magazine from ProMag! 

Delivering ten rounds of hard-hitting .308/7.62×51, this heat-treated steel magazine will have your back through the most challenging conditions. It feeds your M1A and M14 flawlessly, thanks to its injection-molded polymer follower and heat-treated chrome silicon wire spring. 

Finished off with a corrosion-resistant coating, this magazine is ready for anything you can throw at it. Best of all, it’s backed by a lifetime warranty, so you can rest easy! 

Throw a few of these 10-round magazines in your cart while you can! They are sure to sell quickly!