The ProMag RollerMag reinvents the AR mag wheel, so to speak, by adding wheels to their NEW friction-free, anti-tilt follower. This revolutionary Rollerfollower creates a smooth, rolling, controlled feed for maximum friction reduction. The guided, anti-tilt follower rolls smoothly without contact to the body. Fits all AR-15 pattern rifles 40 rounds Polymer body Rollerfollower for friction reduction Heat-treated chrome silicon wire spring Order today!
