Description
The Glock 21 Gen5 MOS is a full-size, optics-ready semi-automatic pistol chambered in .45 ACP with a 4.61 inch Glock Marksman Barrel. The Gen5 frame includes interchangeable backstraps and ambidextrous controls to adapt ergonomics to the shooter. The MOS cut allows mounting of reflex sights and the package includes three 10-round magazines and basic maintenance accessories.
Key Specifications
- Chambered in .45 ACP.
- Barrel measures 4.61 inches and uses the Glock Marksman Barrel profile.
- Action is Semi-Auto.
- Optics-ready Gen5 MOS slide with adapter plate included.
- Includes 3 × 10-round magazines.
- Frame is polymer with an accessory Picatinny rail.
- Sights are fixed (front white dot, rear white outline).
- Finish is nDLC Black.
- Muzzle is non-threaded.
- Safety uses Safe Action with firing pin and trigger block protections.
Designed for practical use at the range or in duty applications, the Glock 21 Gen5 MOS pairs a controllable .45 ACP chambering with modern ergonomics and optic compatibility. The combination of the Glock Marksman Barrel, modular grip options, and multiple magazines in the box makes this configuration ready for immediate use and follow-up training.
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