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Kel-Tec KSG

Pump-Action Bullpup Shotgun [ 2011 ]

The Kel-Tec KSG pump-action shotgun utilizes two tube magazines to provide for thirteen total shots when chambered.

Authored By: Staff Writer | Last Edited: 06/07/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The Kel-Tec KSG was developed as a traditional manually-actuated, pump-action slide 12-gauge shotgun with several key differences from the normal approach. Firstly, it is arranged in a bullpup configuration which sets the action rear of the pistol grip. This allows for the weight of the gun to be massed at the shooter's shoulder while also allowing retainment of a full-length barrel for a more compact overall package. Secondly, the weapon feeds from two tubular magazines set under the barrel, allowing the shell count to be nearly double the standard offering seen in such weapons. The KSG is produced by Kel-Tec CNC Industries, Incorporated of Florida which also markets a line of pistols and rifles. The twin-tube shotgun was unveiled in 2011 and several variants have emerged since.

The weapon sports a very clean design appearance with sharp lines throughout and available in a variety of finishes beyond the typical black. Its bullpup arrangement means that the stock houses the main internal working components as well as the feed and ejection port and is fixed as an integral component of the gun. At the rear of the buttstock is a recoil pad to help retard some of the violent recoil forces at play. The pistol grip is underslung in the usual way and the gun exhibits an empty weight of 7lbs with a loaded weight of 8.5lbs. Overall length is 26 inches with its barrel measuring 18.5 inches long. Sling loops are standard for transporting the gun on marches. Breakdown of the weapon is handled by management of several pins found about the shotgun's design - making access for repair and cleaning a relatively easy affair. There is a section of Picatinny rail over the barrel and over the tubular magazine pairing - the under-barrel span allows for the fitting of a foregrip or aiming/lighting accessories while the upper span can be used to fit iron sights or various optics. Construction of the weapon includes plastic and steel. The magazine tubes are welded to the design as a permanent fixture.

Supporting 12-gauge shells, the KSG's twin-tube design allows for six (3") or seven (2.75") shells to be loaded into each magazine tube. The firearm is loaded from the bottom through a port at the stock underside which also serves as the ejection port. With another shell chambered ready-to-fire, the total shot count can reach thirteen/fifteen depending on shell size used. The gun feeds from either tube magazine with management, by the operator, of a selector switch near the pistol grip - allowing for feeding from one tube over the other.

The KSG was initially released through a first generation model. A second generation design followed with revisions to counter notable jamming issues and some breakages - a trigger reset was implemented for improved continuous fire and ammunition indicators were added as cut-out ports along the sides, top, and bottom of the magazine tubes. An easier-to-use (and reach) ambidextrous release lever was also added.

Major versions beyond the standard KSG (18.5" barrel, 26" length, 6.9lb weight, 7+7+1 feeding with 2.75 shells) are the "KSG Patrol" and "KSG Tactical". The KSG Patrol form is given a 16.1" barrel length while showcasing a 24 inch overall length, 6.7lb weight and 6+6+1 shell capacity. The KSG Tactical features a 13.7 inch long barrel with 21.4 inch overall length and 6.2lb weight. Shell count is 5+5+1.©MilitaryFactory.com
Note: The above text is EXCLUSIVE to the site www.MilitaryFactory.com. It is the product of many hours of research and work made possible with the help of contributors, veterans, insiders, and topic specialists. If you happen upon this text anywhere else on the internet or in print, please let us know at MilitaryFactory AT gmail DOT com so that we may take appropriate action against the offender / offending site and continue to protect this original work.


Basics [+]
Kel-Tec CNC Industries, Incorporated
France; South Korea; United States National flag of France National flag of South Korea National flag of the United States
Service Year
National Origin
United States

Extreme close quarters use; trench-clearing; doorbuster; security.

Overall Length
663 mm / 26.10 in
Barrel Length
470 mm / 18.50 in
Weight (Empty)
6.83 lb / 3.10 kg
Manual Pump-Action
*May not represent an exhuastive list; Calibers may be model-specific dependent; Always consult official manufacturer sources.
Twin 6-Shot Internal Tube Magazines
Typically None; Optional Iron Sights

Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information.

KSG - Base Series Designation; 26" overall length with 18.5" barrel, 6.9lb weight; 7+7+1 feeding.
KSG Patrol - 24" overall length with 16.1" barrel, 6.7lb weight; 6+6+1 feeding.
KSG Tactical - 21.4 overall length with 13.7" barrel, 6.2lb weight; 5+5+1 feeding.

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Image of the Kel-Tec KSG
Image from Kel-Tec Industries marketing material.

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