PROMAG MAG AR15 5.56 BLK ROLLER FOLLOWER 30RD

ProMag's new 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 ROLLERFOLLOWER 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.