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IA Iron River Armory

Kel-Tec KSG Defender 12 Gauge 18.5in Pump Shotgun

SKUCSSI|KTKSGBLKD Conditionnew CategorySemi Auto Shotguns
$1179.99
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About this product

The Kel-Tec KSG Defender is a compact bullpup 12-gauge pump-action shotgun designed to maximize capacity and maneuverability in a short overall package. It features dual magazine tubes with a selector switch and bottom loading/ejecting for true ambidextrous operation. The Defender kit adds practical accessories including a Magpul RVG vertical grip, Magpul flip-up sight set, Carlson compensator, sling mount and an adjustable cheek riser to support a variety of close-range and training applications.

Key Specifications

  • Chambered in 12 Gauge.
  • Action type is Pump Action.
  • The barrel measures 18.5 inches.
  • Overall length is 26.1 inches.
  • Maximum chamber size supports 3-inch shells.
  • Stock is black synthetic with an adjustable cheek riser.
  • Equipped with Magpul flip-up front and rear sights.
  • Muzzle includes a Carlson compensator.
  • Features top and bottom Picatinny rails for accessory mounting.

Compact, accessory-ready, and ambidextrous by design, the KSG Defender blends a short bullpup footprint with a tube-fed magazine system and common tactical accessories. Its configuration is intended to suit home defense, close-quarters training, and range-use scenarios where a compact, configurable platform and readily accessible sights and rails are valued.

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Specs at a glance

Kel-Tec KSG Defender 12 Gau… SPECS AT A GLANCE 18.5 inches SIZE
Editorial diagram — measurements verified during testing.
Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$1179.99