The GLOCK 21 V MOS is a full-size, optics-ready semi-automatic pistol chambered in .45 ACP. It pairs a Glock Marksman Barrel with a serrated, MOS-cut slide mounted to a black polymer frame with an accessory rail. This configuration ships with three 13-round magazines and features fixed sights for a straightforward sight picture. Controls are shaped for ergonomic handling and the frame accepts modular backstraps for a custom fit.
Key Specifications
- Chambered in .45 ACP.
- The barrel measures 4.60 inches.
- Includes three 13-round magazines.
- Optic footprint is a proprietary slide cut (MOS).
- Sights are fixed.
- Frame material is polymer with a black finish.
- Action is semi-automatic, striker-fired.
- Listed weight is 27.68 oz.
- Overall length is 8.03 inches.
- Additional features include front slide serrations, flared mag-well, and Modular Optics System.
Balanced for full-size duties and range use, the GLOCK 21 V MOS blends proven Glock ergonomics with an optics-ready slide and a performance-oriented barrel. Its polymer frame and straightforward controls make it a dependable platform for shooters who want a durable, adaptable .45 ACP pistol with optics capability and multiple magazines included.
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