ProMag Roller Follower Magazine AR15 5.56mm, 40 Rounds, Black Md: RM-40

ProMag Roller Follower Magazine AR15 5.56mm, 40 Rounds, Black Md: RM-40

ProMag’s 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 ProMag’s anti-fatigue chrome silicon springs - so you can keep them loaded and stashed for up to 6 years without worry. Features: - Technapolymer construction - Rollerfollower - Chrome Silicon springs Specifications: - Color: Black - Material: Polymer - Capacity: 40 - Ammo Window/Witness Holes: FALSE - Compatible With: AR-15