Kel‑Tec KSG Defender Comp 12 GA Bullpup Shotgun 18.5" 14+1

Kel-Tec KSG Defender 12GA Shotgun – 18.5" Barrel, 14+1 Capacity, Tactical Kit w/ Magpul Grip, MBUS, and Carlson Comp

The Kel-Tec KSG Defender takes the legendary bullpup design of the KSG and equips it with a complete tactical upgrade kit. This 12-gauge powerhouse features a dual magazine tube system with a 14+1 capacity using 2¾" shells, giving you high-volume firepower in a compact, reliable platform.

At its core is the trusted 18.5-inch barrel and bullpup configuration, allowing for a short 26.1” overall length—ideal for home defense, vehicle use, or tight quarters. This version comes loaded with Magpul MBUS flip-up sights, a Magpul vertical grip, and a Carlson Compensator for improved control and faster follow-up shots.

The bottom-ejecting system keeps spent shells out of your face, and the top and bottom Picatinny rails allow for endless customization. The KSG Defender Kit gives you a ready-to-go tactical platform straight out of the box—no need to shop for extras.

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Why the KSG Defender Kit Stands Out:

• 14+1 capacity with 2¾" shells

• Equipped with Magpul MBUS sights – durable and fast-deploying

• Magpul vertical grip for better control and comfort

• Carlson compensator reduces muzzle rise and felt recoil

• Top and bottom Picatinny rails for full accessory support

• Compact bullpup design – 18.5" barrel in a 26.1" frame

• Ambidextrous operation with bottom ejection and selector switch

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Specs at a Glance:

• Model: Kel-Tec KSG Defender

• Gauge: 12GA (2¾" or 3" shells)

• Capacity: 7+7+1 (2¾"); 6+6+1 (3")

• Barrel Length: 18.5 inches

• Overall Length: 26.1 inches

• Weight: Approx. 7 lbs (unloaded)

• Finish: Matte Black

• Action: Pump

• Ejection: Bottom

• Sights: Magpul MBUS flip-up front/rear

• Accessories: Magpul vertical grip, Carlson compensator

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FAQ

Q: Can I shoot slugs with the Carlson compensator?
A: Yes, it's rated for slugs and buckshot. Always verify shell specs with manufacturer guidelines.

Q: Does this kit come fully assembled?
A: Yes. The MBUS sights, grip, and compensator are pre-installed or ready to install.

Q: Can I switch ammo types between tubes?
A: Absolutely. Use the selector lever to switch mag tubes on the fly—ideal for mixing slugs and buck.