A favorite among budget-minded shooters across the country, the Promag® AR-15 Rollermag™ .223 Rem / 5.56 NATO 15-Round Magazine is an affordable, yet reliable aftermarket magazine, designed to deliver exceptionally smooth and consistent field performance without breaking the bank. This ultrareliable AR magazine features a durable, yet lightweight Technapolymer body with aggressive texturing for lightning-fast reloading. The heat-treated chrome silicon wire internal spring eliminates binding, while the patented, anti-tilt roller-enhanced polymer follower offers smooth, jam-free field operation for added reliability. If that's not enough, this smooth and reliable centerfire rifle magazine is backed by ProMag's legendary lifetime warranty for lasting service and quality you can depend on. What are you waiting for? Order yours today! Made in USA.