Glock G21 SF Gen 3 .45 ACP Short Frame Pistol – Austrian Proofs, Rear Dovetail Optic Plate, 4.61 in Barrel, 13+1, 2 Mags
This Glock G21 SF Gen 3 is the Short Frame variant in .45 ACP, built in Austria and C.I.P. proofed. It features the reduced-grip SF frame with Gen 3 finger grooves and molded thumb rests, and it has matching serial numbers on the barrel, slide, and frame. The rear sight has been replaced with a dovetail-mounted optic plate. The bore condition is excellent.
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 Rifling - Sharp lands and grooves.
Specific Condition Notes: The rear sight has been removed and replaced with a dovetail-mounted optic plate with two screw holes. Light handling marks are present.
What’s Included
- Glock G21 SF Gen 3 pistol
- 1x 13-round Glock factory .45 ACP magazine and 1x 13-round aftermarket .45 ACP magazine
- Rear dovetail optic mounting plate installed (replaces rear sight)
- Red polymer holster
- Magazine holster/carrier
The G21 SF configuration reduces grip circumference for improved reach while retaining the full-size 13+1 .45 ACP capacity. The Gen 3 frame adds finger grooves and molded thumb rests, along with an integral accessory rail.
Controls include Glock's Safe Action system with a 6.3 lb trigger and a standard left-side magazine release. The polymer frame keeps weight down while maintaining durability.
The slide wears a matte black finish with rear serrations and an external extractor. The rear sight has been replaced by a dovetail-mounted optic plate with two screw holes. The front sight is a polymer white-dot.
Austrian manufacture and C.I.P. proof marks are present, along with factory markings reading "MADE IN AUSTRIA / GLOCK, INC., SMYRNA, GA." The barrel, slide, and frame share matching serial numbers. The bore is excellent, with sharp rifling.