Glock 21 Gen 5 MOS .45 ACP for sale The Glock 21 Gen 5 MOS is a full-size, striker-fired pistol, chambered in .45 ACP, offering exceptional reliability, power, and modern optics-ready capability. Featuring a 4.61-inch barrel, this pistol is designed for tactical, self-defense, and duty use. The Modular Optic System (MOS) allows for easy mounting of red dot sights, while the Gen 5 upgrades provide improved ergonomics, a flared magwell, and Glocks Marksman Barrel (GMB) for enhanced accuracy. This rebuilt model offers all the performance of a factory Glock at a great value.
Easier approval. $0 Down. Easy installments up to 36 months. Approvals up to $5,000. No hard credit inquires for Pre-Approval. Apply and Buy Today!
Shoot Now, Pay Later® 4 Pay
Pay in 4. Four Payments, no interest for purchases between $150 to $985. No hard credit inquires for Pre-Approval. Apply and Buy Today!
Shoot Now, Pay Later® 4 Pay and Traditional Financing
Try Pay in 4 at 0% interest for purchases between $150 to $985. Or Select Easy installments up to 36 months. Approvals up to $5,000. No hard credit inquires for Pre-Approval. Apply and Buy Today!
The Glock 21 Gen 5 MOS incorporates Glock’s latest advancements, including an nDLC-coated slide for enhanced durability and corrosion resistance. The interchangeable backstraps provide a customizable grip, ensuring a secure and ergonomic fit.
The Glock Marksman Barrel (GMB) features enhanced rifling for improved accuracy, while the flared magwell allows for faster reloads. The MOS-cut slide accommodates a variety of popular red dot optics, making it a versatile choice for duty or competition use.
Glock 21 Gen 5 MOS Specifications
Caliber: .45 ACP
Action: Striker-Fired, Semi-Automatic
Barrel Length: 4.61 inches
Frame Material: Polymer
Frame Finish: Matte Black
Slide Material: Steel
Slide Finish: Black nDLC Coating
Grip: Interchangeable Backstraps
Sights: Standard Glock Sights (Optics-Ready MOS Cut)
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
Questions And Answers
Reviews
Due to increased state legislation around firearms, you must be 18 to access our site.