Gen 6 King Competition 12 round shotgun shell holder

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The King Competition MSH generation 6  is a high performance modular shotgun shell holder system, designed and manufactured by World Champions. 

All of our accumulated knowledge in top level shooting and engineering has been poured now in to the 6th generation of our design. All important features are upgraded. The shell retention is again improved, but release is still as smooth. The durability and the strength of the skeleton construction and parts will now handle so much more due to long lasting investment in much stronger materials and improved production processes. The shell adjustment range is longer. New guide system will make the shell package more uniform and less sensitive to imperfect shell dimensions. Generation 6 also utilizes the new adapter system, that connects directly to the skeleton, having very rigid and 360° rotation attachment to TEK-LOK or ELS systems. Weight is reduced from previous generation.

Shells are staggered for right- or left-handed grip and are spaced with minimum distance to each other. Required belt space is also minimized. Positioning of the shells is absolute uniform through the rig and allows for consistent use of all modern shotgun loading techniques and for example mixing load-2 and load-4.

Shells are held tightly within the geometry of the holder. The short release is done by detaching the upper shells from high strength magnets. This releases the shells from the holder completely, allowing a very effortless and fast reloading. When not reloading, the system will keep the shells securely in place during running and jumping.

Each unit in the rig is independently self-leveling and allows the user to switch between all typical 12/70 cartridges. If needed, the spring tension and travel is easily adjusted by rotating the main bolt. But the standard setting will allow the user to switch between all normal competition cartridge types without touching any adjustment.

The skeleton construction makes the system very rigid and allows mounting directly to the several skeleton links with a large steel M6-thread. The rig can be mounted with bolts, hook&loop or with a adapter. All mounting hardware is supplied with the rig (adapter not included in sizes ASSM20 and bigger).

The skeleton construction and backing plate is curved on a angled axis. This allows for the larger assemblies to curve around the users waist and carried in a angle for optimal reloading with a competition shotgun belt, without the last shells exceeding the IPSC 75mm rule. Please note that using adapter for pistol belt mounting on ELS or TEKLOK system can exceed the 75mm rule and is not recommended for IPSC use.


Technical specifications:

- Cartridge maximum distance to backing plate mounting face: 57mm (add belt thickness for total distance to body)

- Useful total shell height adjustment range 33mm, useful self-adjustment range ( tensioned spring travel) 13mm

- Weight ASSM4 (135g), ASSM8 (260g), ASSM12 (390g), ASSM20 (670g), ASSM28 (940g), ASSM32 (1170g)

- Mounts with included hook and loop, M6-screws or adapter (adapter not included in assemblies size 20, 28 or 32) 

- Maximum storage temperature +80°C

11 Reviews Hide Reviews Show Reviews

  • 5
    Gen 6 King 12 rnd shot shell holder

    Posted by Marian on Dec 24th 2022

    Built to withstand abuse, easy to configure and lighting it.

  • 5
    Very nice

    Posted by Gabriel on Nov 7th 2022

    This unit is very functional and reliable. Adjusting to fit ones rig is fairly simple and is the best caddy I've used in the field.

  • 5

    Posted by John Tschetter on Jun 16th 2022

    Ordered Left handed for my son and right handed for myself, both performed flawlessly.

  • 5
    Kings shell caddy

    Posted by Jamie on Jun 11th 2022

    Super fast release awesome retention on shells.

  • 5
    Best Caddy

    Posted by Brandon D Heard on Jan 15th 2022

    The footprint for the 12 round caddy is relatively close to the footprint of an 8 rounder from other manufacturers. The retention is amazing and adjusts itself to the type of shell you're using. The construction is top of the line and 2nd to none. This is the best caddy for them game.

  • 5
    Great 3-Gun Holster

    Posted by Fifi R. on Oct 22nd 2021

    I literally ordered this right before a competition. I've seen a few other people I shoot with have it and decided to give it a try. I was not disappointed at all. Easy to add the ELS clip to it and it held my shells tightly even through heavy movement but easy to grab and remove. I would highly recommend it. Also...I have to highlight the super fast shipping!

  • 5
    End User?

    Posted by Unknown on Feb 20th 2021

    Very nice shell holder for quad loading. I prefer this over the non-spring loaded holders as the tension is very consistent.

  • 4
    The best caddy

    Posted by Sky Yang on Oct 12th 2020

    From my test, it has the easiest shell release out of Invictus, Safairyland and Taccom. And the shell are so tight together it has a very solid feeling when pulled out. The only thing I don't like is it is only optimized for one hand, unlike the others. I think for that price it wouldn't be very outrageous to ask them include an alternative backplate for other hand.

  • 5
    Gen 6 King comp 12 shell caddy

    Posted by Jeremy on Aug 17th 2020

    Love it!!!

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