The KelTec SUB2000 Gen 3 is a compact, folding semi-automatic carbine chambered for 5.7x28mm. Designed for portability and modularity, the SUB2000 Gen 3 features a polymer stock, a rotating forend that preserves optic zero when folded, and compatibility with FN-style 5.7 magazines. The straight blowback action and lightweight construction make it practical for transport, range use, and close-quarters applications where a compact, stowable carbine is desirable. Standard 20-round magazine capacity and integrated rail sections allow for straightforward accessory installation.
Key Specifications
- The caliber is 5.7 x 28 mm.
- The barrel measures 16.15 inches.
- The magazine capacity is 20 rounds.
- The overall length (open) is 30.45 inches.
- The folded length is 16.15 inches.
- The unloaded weight is approximately 4.3 lbs.
- The action type is Semi-Auto (straight blowback).
- The stock material is polymer.
- The rifling twist rate is 1:7.
- The barrel is threaded with an NFA thread pattern of 1/2×28.
The SUB2000 Gen 3 balances compact storage and practical utility: its folding design and light weight make it easy to carry or stow, while the rotating forend and integrated rail space support optics and accessory setups. Its use of FN-compatible 5.7 magazines and straightforward controls suit shooters who value a no-nonsense, configurable carbine for transport, range work, or close-in defensive applications.
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