Pro Mag AR- 15 Rollermag 5.56mm 20 Round Black Polymer

Rollermag reinvents the wheel by adding them to an anti-tilt follower in a Technapolymer magazine body. Experience a smooth, anti-tilt rolling feed with the revolutionary Roller Follower for maximum friction reduction. Magazine is built with our Anti-Fatigue chrome silicon springs - so you can keep them loaded and stashed for up to 6 years without worry.