Glock 21 Gen 4 .45 Auto – GNS, Full-Size, 13-Round
G21 Gen4 in .45 Auto with Glock Night Sights, 13-rd capacity, Gen4 textured frame, and factory case. Very good used condition—confirm mag count from label vs photos. Ideal for home protection or range use.
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Description
This is a Glock 21 Gen4 in .45 Auto with Glock Night Sights (GNS), shown with its factory clamshell case. The Gen4 frame brings the improved RTF texture and reversible mag release, delivering a confident grip and easy controls on a proven, soft-shooting .45 platform. The case label indicates a 5.5 lb trigger.
Condition appears very good used with light cosmetic marks on the slide (see photos). Bore looks sharp in the muzzle shot, and the luminous GNS are intact. This full-size .45 is ideal for home protection, range sessions, or duty-grade reliability with big-bore punch.
Specs
| Specification | Detail |
|---|---|
| Manufacturer / Brand | Glock |
| Model / Generation | 21 Gen4 |
| Category | Pistol (full-size, polymer frame) |
| Caliber | .45 Auto |
| Capacity | 13+1 (double-stack) |
| Barrel Length | 4.61 in |
| Overall Length | 8.07 in |
| Height | 5.47 in |
| Width | 1.34 in |
| Weight (empty) | ~29.8 oz |
| Sights | Glock Night Sights (GNS), fixed |
| Trigger | ~5.5 lb (per case label) |
| Frame | Black polymer, Gen4 RTF texture |
| Slide / Finish | Steel, matte black |
| Accessory Rail | Yes (universal rail) |
| Magazines Included | 2×13-rd |
| Case | Original Glock case with foam |
| UPC | 764503107021 |
| Serial | BADU925 |
| Condition | Used—light handling marks on slide; night sights present |
Product Highlights
| Brand | Glock |
| Model | 21 GEN4 |
| Caliber | 45 Auto / ACP |
| Condition | Used |
| UPC | 764503107023 |
| MPN | pg2150702 |
| SKU | BADU925 |
Additional information
| Model | 21 GEN4 |
|---|---|
| Caliber | |
| Manufacturer |

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