PROMAG AR-15

ProMags Rollermag reinvents the wheel by adding them to an antitilt follower in a Technapolymer magazine body. Experience a smooth antitilt rolling feed with the revolutionary RollerFollower for maximum friction reduction. The magazine is built with ProMags antifatigue chrome silicon springs so you can keep them loaded and stashed for up to six years without worry.This model has a black finish and a 40round 223 Rem5.56 NATO capacity.