The GLOCK G21 Gen 5 MOS .45 ACP Optics-Ready Semi-Auto Pistol is a .45 ACP full size handguns from Glock. It is available from 1 vendor at $1949.99.
Name: GLOCK G21 Gen 5 MOS .45 ACP Optics-Ready Semi-Auto Pistol
Brand: Glock
Category: Full Size Handguns
Caliber: .45 ACP
Barrel Length: 4.61"
Capacity: 13 rounds
UPC: 764503061356
SKU: UCDSUKvy0
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The GLOCK G21 Gen 5 MOS is a full-size .45 ACP semi-automatic pistol built around Glock's Safe Action system. The Gen 5 MOS version adds a factory optics-ready slide cut, front slide serrations, and a flared mag-well, features that collectively make ...
The GLOCK G21 Gen 5 MOS is a full-size .45 ACP semi-automatic pistol built around Glock's Safe Action system. The Gen 5 MOS version adds a factory optics-ready slide cut, front slide serrations, and a flared mag-well, features that collectively make the pistol faster to manipulate under pressure.
The G21 G5 MOS suits shooters who want a .45 ACP duty-size pistol with room to mount an optic. The 13+1 capacity and 4.61" barrel make it better suited to range work, home defense, or competition than to concealed carry.
Users generally have positive things to say about the GLOCK G21 Gen 5 MOS, though there are consistent trade-off points worth knowing.
On reliability, the Gen 5 maintains Glock's usual reputation. Owners report feeding a wide range of .45 ACP loads without issues. The Gen 5 grip texture and removable backstraps come up often as genuine improvements over earlier generations, and the MOS optics cut earns consistent praise from anyone who wants to run a red dot without a third-party milling job.
Accuracy feedback at close-to-medium ranges is positive. Users who shoot the G21 alongside 9mm Glocks note that the .45 ACP recoil is manageable given the pistol's weight and grip volume.
The recurring criticisms are straightforward: the G21 is a big pistol. Shooters with smaller hands find the grip circumference awkward, and the size rules it out for most concealed carry applications. A segment of users also finds the stock trigger reset longer than they'd prefer and upgrades it aftermarket. Magazine capacity (13 rounds in .45 ACP) draws occasional comparison to higher-capacity 9mm options, though that reflects the caliber's physics more than any design flaw.
Aftermarket support for the G21 exists but is thinner than for the G17 or G19, worth checking before committing to a specific holster or accessory.
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The GLOCK G21 Gen 5 MOS is a full-size .45 ACP semi-automatic pistol built around Glock's Safe Action system. The Gen 5 MOS version adds a factory optics-ready slide cut, front slide serrations, and a flared mag-well, features that collectively make the pistol faster to manipulate under pressure.
The G21 G5 MOS suits shooters who want a .45 ACP duty-size pistol with room to mount an optic. The 13+1 capacity and 4.61" barrel make it better suited to range work, home defense, or competition than to concealed carry.
| Caliber | .45 ACP |
| Model | G21 G5 MOS |
| Capacity | 13 rounds |
| Magazines included | 3 |
| Barrel length | 4.61" |
| Overall length | 8.03" |
| Weight | 29.81 oz |
| Action | Safe Action |
| Finish | Gas Nitride |
| Sights | Fixed Sights |
| Safety | No Manual Safety |
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
Users generally have positive things to say about the GLOCK G21 Gen 5 MOS, though there are consistent trade-off points worth knowing.
On reliability, the Gen 5 maintains Glock's usual reputation. Owners report feeding a wide range of .45 ACP loads without issues. The Gen 5 grip texture and removable backstraps come up often as genuine improvements over earlier generations, and the MOS optics cut earns consistent praise from anyone who wants to run a red dot without a third-party milling job.
Accuracy feedback at close-to-medium ranges is positive. Users who shoot the G21 alongside 9mm Glocks note that the .45 ACP recoil is manageable given the pistol's weight and grip volume.
The recurring criticisms are straightforward: the G21 is a big pistol. Shooters with smaller hands find the grip circumference awkward, and the size rules it out for most concealed carry applications. A segment of users also finds the stock trigger reset longer than they'd prefer and upgrades it aftermarket. Magazine capacity (13 rounds in .45 ACP) draws occasional comparison to higher-capacity 9mm options, though that reflects the caliber's physics more than any design flaw.
Aftermarket support for the G21 exists but is thinner than for the G17 or G19, worth checking before committing to a specific holster or accessory.
Price Range: $1949.99 - $1949.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Guns Com | $1949.99 | New | Buy Now |
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