Glock 21 Gen 4 .45 Auto

Updated August 24, 2026

This Glock 21 Gen4 semi-automatic pistol is chambered in .45 Auto and brings the classic large-bore cartridge into Glock’s proven full-size polymer-frame platform. Serial number AGPY926, this example features an approximately 4.5" barrel with a shiny bore and remains in good overall condition. The pistol utilizes Glock’s durable polymer frame with Gen4 grip texture and modular backstrap capability, paired with a steel slide and familiar striker-fired operating system. One magazine is included. The Glock 21 has long been one of the company’s best-known .45 Auto pistols, combining the substantial chambering with the straightforward controls and rugged construction that helped make Glock famous. The Gen4 configuration added updated ergonomics while retaining the full-size proportions and unmistakable styling of the earlier models. With its shiny bore, classic .45 Auto chambering, and recognizable Glock pedigree, this is a solid example of a respected full-size handgun. Please see photos. Glock 21 Gen 4 .45 Auto Semi 4.5 Shiny AGPY926 Good

More lots in this auction

• Smith & Wesson M&P9 Shield 9mm
• Taurus G3c 9mm
• Taurus PT 24/7 G2 .40 S&W
• Sarsilmaz SAR9C 9mm
• Smith & Wesson M&P22 Compact .22LR
• Glock 26 Gen 4 9mm
• Taurus G3c 9mm
• Glock 26 Gen 3 9mm

See all lots in September 3 - Lock & Load: Live Gun Auction Extravaganza! →