ProMag Drum Magazine, 45 ACP, 40 Rounds, Fits Glock 21, Polymer, Black

The ProMag DRMA37 Standard 40rd Drum 45 ACP magazine is a high-capacity, reliable option for firearm enthusiasts seeking enhanced performance for their Glock 21 and Glock 30 pistols. This 40-round drum magazine is expertly crafted in the USA, ensuring superior quality and durability. Constructed from a proprietary DuPont Zytel-based black polymer, the drum housing offers exceptional strength and resilience, making it ideal for rigorous use. The magazine features a heat-treated stainless steel spring, which guarantees consistent feeding and reliable operation, while the injection-molded magazine follower ensures smooth and efficient performance. Additionally, the over-molded stamped steel feed lips and magazine catch provide added durability and precision, enhancing the overall functionality of this premium accessory. Designed specifically for .45 ACP caliber pistols, the ProMag DRMA37 is an excellent choice for those who demand high-capacity solutions without compromising on quality or reliability. Its compatibility with Glock models 21 and 30 makes it a versatile addition to any firearm collection, offering users the confidence and assurance of a product made with meticulous attention to detail. Whether for recreational shooting, competitive events, or personal defense, this drum magazine stands out as a top-tier option in the realm of pistol magazines. With its robust construction and thoughtful design, the ProMag DRMA37 is a testament to American craftsmanship, providing firearm owners with a dependable and efficient magazine solution.