This is the SIG MCX-SPEAR .277 Fury, 7.62x51mm 20-round magazine. 

Keep your Sig MCX-SPEAR running flawlessly with this factory 20-round magazine! 

With a corrosion-resistant FDE finish over a high-quality steel body, the durability of this magazine is unmatched. And inside, you’ll find an anti-tilt polymer follower that ensures equal reliability. 

With the demanding qualifications to be used by the military, you can rest easy knowing these magazines were tested to the extreme. Your MCX-SPEAR deserves the best magazine, and this is it!

Throw a couple in your cart and don’t look back! You can thank us later.