The Glock G21 V MOS (UV2150203MOS) is a full-size 45 ACP pistol built on Glock’s Gen5 V-Series platform with an optics-ready MOS slide and a 4.61 inch Glock Marksman Barrel, offering 13+1 capacity in a duty-sized handgun. This G21 V MOS 45 Auto pistol is a dependable option for home defense, duty use, and range or training work for shooters who want a modern, optics-ready big-bore sidearm.
Key Features
- Manufacturer part number: UV2150203MOS
- UPC: 764503068508
- Caliber: 45 Auto (45 ACP)
- Action: Striker-fired, Safe Action System
- Capacity: 13+1 rounds, typically includes 3 magazines
- Barrel length: 4.61 inches, Glock Marksman Barrel (GMB)
- Slide material: Steel, MOS optics-cut with front serrations
- Slide finish: Black nDLC corrosion- and wear-resistant coating
- Frame: Full-size black polymer frame with accessory rail
- Grip: No finger grooves, Modular Backstrap System with interchangeable backstraps
- Sights: Fixed Glock sights, optic-ready slide for miniature red dot mounting
- Overall length: approximately 8.03 to 8.07 inches
- Height: approximately 5.5 inches
- Width: approximately 1.38 inches
- Weight without magazine: about 26 oz
- Weight with empty magazine: about 29 oz
- Weight with loaded magazine: about 38 to 39 oz
- Trigger pull: approximately 26 N (about 6 to 6.5 lbs)
- Safety system: Trigger safety, firing pin safety, drop safety within the Safe Action System
Special Features
- The MOS slide is precision machined to accept adapter plates, making it easy to mount popular miniature red dot sights without custom slide milling.
- The Glock Marksman Barrel uses revised rifling and an improved crown to enhance practical accuracy with modern 45 ACP loads.
- V Series internal components are designed to make unauthorized conversion to automatic fire more difficult while preserving normal semi-automatic function.
- The nDLC surface treatment on slide and barrel increases hardness and abrasion resistance over earlier finishes, supporting heavy training schedules and tough environmental conditions.
- The full-size Gen5 frame includes a flared magwell that helps funnel magazines into the grip, speeding reloads under stress or during competition.
- An ambidextrous slide stop lever and reversible magazine release support both left- and right-handed shooters without additional parts.
- Loaded chamber indication via the extractor provides a visual and tactile check to confirm whether a round is chambered.
Practical Benefits
- Shooters who prefer 45 ACP for defensive use get a full-size handgun that combines high capacity, modern ergonomics, and the ability to mount a red dot for faster sight acquisition.
- Home defense users benefit from the Safe Action System’s consistent trigger press and passive internal safeties, keeping the pistol ready without extra levers to manipulate.
- Range and training shooters gain a big-bore platform that soaks up long practice sessions, with interchangeable backstraps allowing you to tune the grip to your hand size.
- Duty and security professionals can use the optics-ready slide to standardize on pistol-mounted optics alongside iron sights, aligning the sidearm with current defensive shooting practices.
- The Glock G21 V MOS (UV2150203MOS) gives you a proven, optics-capable 45 Auto platform with 13+1 capacity and Gen5 enhancements, making it a reliable pick for big-bore defensive and duty roles.
| MANUFACTURER | GLOCK |
| MODEL | 21 V |
| CALIBER | 45 ACP |
| TYPE | PISTOL |