The Glock G21 Gen 5 MOS delivers proven .45 ACP stopping power in a modern, optics-ready platform. Built on a full-size frame, the G21 Gen 5 MOS incorporates Glock’s latest enhancements, including the Glock Marksman Barrel, ambidextrous slide stop, and improved ergonomics. The MOS (Modular Optic System) slide allows easy mounting of red dot optics, while the durable black nDLC finish ensures long-lasting performance. Ideal for duty use, home defense, and shooters who prefer the authoritative performance of .45 ACP.

Manufacturer: Glock
Model: Glock G21 Gen 5 MOS
Part Number: UA215S203MOS
Caliber: .45 ACP
Action: Striker-fired, Safe Action®
Capacity: 13 rounds
Barrel Length: Approx. 4.61 inches
Slide: Black nDLC steel, MOS cut
Frame: Black polymer (full-size)
Grip: Rough Texture Frame with interchangeable backstraps
Sights: Fixed Glock sights
Overall Length: Approx. 8.07 inches
Height: Approx. 5.51 inches
Width: Approx. 1.34 inches
Weight: Approx. 26.3 oz (unloaded)
Finish: Black