The Alpha Shooting Sports Match Grade Crowned Barrel for Glock 21 in 45 ACP is crafted for precision and performance. Designed specifically for the Glock 21 this barrel features a durable Tin PVD finish that enhances both its longevity and aesthetic appeal. Engineered for the 45 Auto (ACP) cartridge it ensures reliable accuracy and consistent shot placement making it an essential upgrade for competitive shooters and firearm enthusiasts seeking top-tier performance from their Glock 21.