Keltec Sub-2000 Gen3 5.7x28 folding carbine in tan finish 20-round capacity

Keltec Sub-2k Gen3 5.7x28 Tan 20+1

Keltec
UPC:
640832009897
$474.69
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Description

The Kel-Tec Sub-2000 Gen 3 in 5.7x28mm delivers a uniquely versatile folding carbine experience, combining a high-capacity 20+1 round magazine with the flat-shooting performance of the 5.7x28mm cartridge in a compact, range-ready package.

  • Chambered in 5.7x28mm for fast, flat-shooting low-recoil performance
  • Folds in half for ultra-compact storage and transportation convenience
  • 16.25" barrel delivers rifle-like velocity from a carbine-length platform
  • 20+1 round capacity keeps you shooting longer between reloads
  • Durable tan synthetic collapsible/folding stock built for rugged use
  • Gen 3 upgrades include improved ergonomics and enhanced user-friendly features

Who This Is For

The Sub-2000 Gen 3 is an excellent choice for home defense enthusiasts, backcountry travelers, and sport shooters who want a lightweight, packable carbine without sacrificing firepower. Its folding design and 5.7x28mm chambering make it especially appealing to those seeking a high-capacity, low-recoil rifle that stores easily in a backpack, truck, or safe. It's also a natural companion for shooters already invested in the 5.7x28mm platform.

Kel-Tec Sub-2000 Gen 3 5.7x28mm Tan folding carbine right side view

Specifications

BrandKel-Tec
ModelSub-2000 Gen 3
Caliber5.7x28mm
Barrel Length16.25"
Capacity20+1
FinishTan
StockCollapsible / Folding Tan Synthetic
SightsNone (optics-ready)
Magazine Included1 × 20-Round Magazine
ActionSemi-Automatic

Frequently Asked Questions

What makes the Gen 3 Sub-2000 different from earlier generations?

The Gen 3 Sub-2000 introduces several meaningful upgrades over the Gen 2, including an improved folding mechanism that allows the rifle to be folded and unfolded without removing an optic, enhanced trigger ergonomics, updated grip texture, and a more refined overall fit and finish. These improvements make the Gen 3 more practical for everyday carry and optics-equipped setups.

Is the 5.7x28mm cartridge effective for home defense or target shooting?

Yes — the 5.7x28mm is a bottlenecked, high-velocity round known for its flat trajectory, low recoil, and excellent terminal performance with the right ammunition. Out of the Sub-2000's 16.25" barrel, the cartridge reaches its full velocity potential, making it an effective choice for both home defense and range use. It's the same round used in the FN Five-seveN pistol and FN P90 PDW.

Does the Sub-2000 Gen 3 accept aftermarket magazines or optics?

The Sub-2000 Gen 3 in 5.7x28mm is designed to accept compatible 5.7x28mm magazines. For optics, the Gen 3's improved folding hinge allows you to mount red dots and other optics that stay in place when the rifle is folded and unfolded — a significant upgrade from previous generations. Picatinny rail accessories and aftermarket handguard systems are also widely available for further customization.