Glock 21 Gen4 .45 ACP, USA-Made, Full-Size Pistol with 4.61-Inch Barrel, Matte Black, 13+1, 3 Magazines
This USA-made Glock 21 Gen4 in .45 ACP pairs full-size capacity with Gen4 ergonomics and factory markings that verify its origin. It features the Gen4 RTF texture with finger grooves, an enlarged magazine catch, a Glock universal accessory rail, and standard fixed Glock sights. The slide is marked "21 Gen4" and "USA," and the barrel hood carries the Glock logo over "US" and "P," with matching serial numbers on the slide, barrel, and frame. It includes three factory 13-round magazines and the original Glock case.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent - Strong, well-defined polygonal rifling.
Specific Condition Notes: Minor, superficial scratches and blemishes are present from light handling.
What’s Included
- 3 Glock factory 13-round .45 Auto magazines
- Glock factory hard case
- Manual
- Cleaning rods
This Glock 21 Gen4 is a USA-made example with clear factory markings. The slide is roll-marked "21 Gen4" and "USA," while the barrel hood shows the Glock logo over "US" and "P." The slide, barrel, and frame share matching serial numbers, reinforcing its originality.
Chambered in .45 ACP, it uses a 4.61-inch barrel and a 13+1 capacity in a full-size format. The striker-fired action and standard fixed Glock sights (white-dot front, white-outline rear) provide a straightforward, duty-style setup.
Gen4 features include the RTF texture with finger grooves and an enlarged magazine catch for confident handling and positive reloads. The pistol retains the Glock universal accessory rail for mounting compatible accessories.
The black polymer frame and matte black slide finish deliver Glock’s familiar durability and clean, utilitarian look. Safety features include a trigger safety, firing pin safety, and drop safety.