The 1911 ProMag.22LR The 1911 is ideal with the Kimber/Marvel/Iver Johnson Conversion 14-Round Magazine Polymer. This aftermarket magazine is made of DuPontTM Zytel® polymer and is intended for enhanced strength and long-lasting corrosion resistance in just about any climate. Wide-cut witness holes provide quick, on-the-fly round counts while the injection moulded polymer magazine follower and heat-treated chrome silicon wire spring ensure smooth, dependable feeding in high-stress target and defence settings. The.22 LR 1911 handguns from Kimber/Marvel/Iver offer the timeless appearance and feel of John Browning’s masterwork pistol while maintaining the convenience and affordability of a rimfire target pistol. These magazines are ideal plinkers thanks to their sturdy steel design and convenient, light weight. A free replacement magazine is included with the lifetime warranty that comes with every ProMag magazine in the event that there are ever any problems with your purchase. For your 1911 rimfire, get some longer magazines right now! Made in the USA