The GLOCK G21 Gen5 MOS .45 ACP (Factory Rebuilt) combines Glock’s legendary reliability with modern Gen5 enhancements, offering a duty-ready pistol that has been used and professionally rebuilt by Glock to like-new condition. This factory rebuild ensures the firearm meets Glock’s stringent performance and safety standards, delivering dependable function and excellent longevity.

Built on Glock’s full-size Gen5 platform, the G21 MOS features a durable polymer frame with an integrated Picatinny rail for mounting lights or accessories. The Glock Marksman Barrel (GMB) enhances accuracy through improved rifling and a target-style crown, making it well suited for range use, training, or defensive applications.

Designed for shooter adaptability, the G21 Gen5 MOS includes interchangeable backstraps for a customized grip fit and ambidextrous slide stop levers to accommodate both right- and left-handed users. Finished in Glock’s black nDLC coating for increased durability and corrosion resistance, this factory-rebuilt pistol delivers near-new performance with proven Glock craftsmanship.

Key Features:

• Manufacturer: Glock

• Model: G21 Gen5 MOS

• Caliber: .45 ACP

• Condition: Rebuilt

• Action: Striker Fire

• Finish Color: Black nDLC

• Barrel Length: 4.61"

• Number of Magazines: 1

• Capacity: 13

• Optic Footprint: MOS

• Unique Features: Interchangeable Backstrap, Ambidextrous Slide Stop Levers

• Night Sights: No

• External Safety: Firing Pin/Trigger Block

• Threaded Barrel: No

• What's In The Box: Firearm, Magazine

• Weight: 38.62 oz

• Length: 8.07"

• Width: 1.38"