Kel-Tec SUB2000 Gen3 10mm Folding Carbine, Glock 20/21 Magazine Configuration, 16.15 in Threaded Barrel (5/8x24), Black
This Kel-Tec SUB2000 Gen3 is the 10mm variant configured for Glock 20/21 magazines. It features a 16.15 in alloy steel barrel with factory 5/8x24 threads and a folding design that compacts to a 16.15 in overall length. The handguard provides a full-length top 1913 Picatinny rail with M-LOK-style slots, and sighting equipment may vary by configuration; see photos for the current setup. This example is in very good condition with an excellent, mirror-bright bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minor markings from previous handling and use. The bore is bright and clean. Please refer to the pictures for additional detail.
What's Included
- 1x 15-round Glock OEM polymer 10mm double-stack magazine
- KelTec SUB2000 owner's manual
- KelTec factory cardboard box
The Gen3 SUB2000 in 10mm uses a straight-blowback system with an enlarged steel receiver/bolt tube tailored to the cartridge. Controls include a left-side magazine release, a cross-bolt safety, and a reciprocating charging handle positioned under the tube.
The folding design reduces the carbine to a compact 16.15 in overall length for storage, while the stock-collapsed overall length is 29.25 in. The polymer stock offers selectable length of pull at 13.25, 13.75, and 14.5 in. Unloaded weight is approximately 5 lb 12.7 oz.
The 16.15 in alloy steel barrel is factory threaded 5/8x24 and includes a knurled thread protector. Capacity as configured is 15+1 using Glock 20/21 magazines, and one 15-round magazine is included.
The polymer handguard integrates M-LOK-style slots and a full-length top 1913 Picatinny rail. Sighting equipment may be user-installed; see photos for details. Receiver markings include "KEL TEC CNC INC COCOA FL" and "GLK 20/21 MAG." Finish is black, and the carbine is made in the USA.

