Monolith Arms P-12 ... The Bullpup shotgun that never was.

Kevin M.

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Grabbed this off the Firearm Blog. I had never heard of this gun before, and it was such an awesome and radical idea that I can't believe that it never got released or followed up upon.

I assume technical difficulties were the main problem, getting the mag to feed and such, but even still, it deals with all the drawbacks I see in the KSG and UTS-15 style shotguns, namely that while you have a lot of shells handy, the reload is horribly slow on those firearms, and a detachable magazine solves all those problems. I think mimicking the P-90 style of magazine was genius on a bullpup shotgun, as it creates a streamlined and narrow (relatively of course) magazine that has a high capacity.

Shame it never made it to fruition.

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Back in 2007/08 a company called Monolith Arms was promoting a pump-action 12 gauge shotgun they designed. The shotgun was notable because it fed from a horizontally mounted magazine inspired by the FN P90. They shotgun was promised to be on sale in 2007, when they did not ship it in 2007 they promised it in 2008, but again it never materialized.

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Maybe Monolith Arms were just a little to early to the market. There is a lot of interest in high-capacity shotguns these days, for example the Kel-Tec KSG, and a number of high-capacity solutions for regular shotguns such as the MD-20 drum magazine for the Saiga-12. It would sell well today.

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Back in early 2008 the company released this teaser video of the shotgun …

 
I suspect they MAY possibly have had trouble making the thing feed the rounds through the 90 degree change of direction. I say that because apparently even the engineering Gods at Fabrique Nationale had difficulties making the P-90's magazine/ammo combination work reliably, in the years between public announcement vs large scale sales. So if it takes FN some time to make it happen...a small "new" company trying to do basically the same thing for a totally different shaped cartridge could have additional challenges.

It may not have even been possible to make it "bend" around that twisting corner: the SS-190 design has a case, yes, but up by the case mouth and bullet area, that's a void that can allow the pivoting as it goes from straight box to tight turn. By contrast, a 12g shell is basically a solid cylinder from end to end...no way to make it pivot near the center, the mag spring would have to put a LOT of pressure on the crimped shell mouth area, which being plastic could also be subject to deformation. Add to that the rear having a rim, and being basically "unsupported", could lead to tilting badly and hanging up inside the mag as it changes direction.

It's interesting, no question! But I'd also point out another equally interesting combat shotgun that didn't but probably should have gained many sales: the Pancor Jackhammer:

No need for pumps when this one does both semi and full automatic. And reloading the wpn is a simple matter of dropping the empty "cylinder cassette" and slamming a new one in it's place!

http://en.wikipedia.org/wiki/Pancor_Jackhammer

http://world.guns.ru/shotgun/usa/jackhammer-e.html

Really they should have made a civie version in semi-only, and a sporting version, and I think it could have sold and really taken off. But that was a long time ago.
 
Nice motocross/snowboarding goggles and video game gun sound effects in the video......let alone the setting being in someones residence, that gave me a good chuckle.

This shotgun tho wouldn't be all that hard to produce a 3d printed prototype with tho, if everything functions short of firing live shells with a 3d printed model you have it all sorted out then almost.
 
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