The ProMag Industries GLK 18 is a high-quality 10-round magazine designed specifically for Glock 36 .45 ACP pistols. Engineered for durability and reliability, this magazine utilizes a proprietary Dupont Zytel polymer for optimal performance, ensuring long-lasting use. Manufactured in the USA, each ProMag magazine is backed by a lifetime warranty, offering peace of mind. Precision features such as the heat-treated chrome silicon wire spring and a full-length steel internal insert mirror factory quality, enhancing overall reliability. 10-Round Magazine For Glock 36 45 ACP Pistols Magazine Body Constructed of a Proprietary Dupont Zytel Based Polymer Magazine Body Has Full Length Steel Internal Insert Stamped and Welded Like The Factory Magazine Injection Molded Magazine Follower Spring is Made From Heat Treated Chrome Silicon Wire Made in the U.S.A. Equip your Glock 36 with the ProMag GLK 18 magazine for unmatched reliability and performance.