The ProMag® 1911.22LR is a great addition to your plinking gear. 10-round Polymer Kimber/Marvel/Iver Johnson Conversion Magazine. The injection-molded polymer magazine follower and heat-treated chrome silicon wire spring in this aftermarket magazine provide smooth, dependable feeding for maximum performance and service life. This magazine is made of lightweight DupontTM Zytel® polymer and is built for outstanding strength and corrosion resistance in just about any setting. Wide-cut witness holes also provide instantaneous round counts at a glance. 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. They are ideal plinkers thanks to their sturdy steel design and convenient, light factory magazines. A lifetime warranty is included with each ProMag publication, providing a If there are ever any problems with your purchase, you can get a free new magazine. Get some extra magazines for your 1911 rimfire handgun right away! Made in USA