OK I know some people have made their MOE forends fit with some redneck engineering


With the popularity of the Shockwave is there any way to to design one to fit the Shockwave to fit the shorter tubes?

I have seen the link here with a hole saw and some sanding and even looked in to the hogue adapter nut and neither are easy or foolproof.

Hows about it?

@Justin-Beard

BTT

Thank you.  


Apparently I am not the only one interested.

I'd be in for 3

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From what others are telling me its a real PITA to do surgery on the existing one to make it work right and allegedly would only take a spacer of some kind to extend the shoulder on the interior up tp allow the threads to pop through and get the mag tube nut to secure.  


Make a LOT of people very happy and would be a minimal R&D project.

1 or 2 for me Please

One less round and RUST express finish.

You got that right!

I'd like the strap on it as well. Buckshot has some jump...

Get on it already

I will be using rubberized mag grip decals and an MLOK hand stop.  


Screw that strap.

Magpul, be sensitive to our needs!

Got my shockwave, waiting on an answer from you guys now.

+1 

From what I have read it would be an easy retro fit for Magpul but I am a layman.

Would be great for the guys with the 590A1's

I'm in for 2.  Would be nice to have a clean solution without having to modify the forend.

BUMP to get some attention.

I'm down for one for sure.

Pretty please ?
My can has ?

Bumpity

I posted this here three years ago in regards to the factory Mossberg SBS and AOW models that use the same short slide as the now popular Shockwave.

Posted: 7/18/2014 6:48:28 PM CDT
If you have one of the Mossberg shotguns with the shorter action tube, all factory 14" SBS M590A1s and most 3.5" chambered models, you have have been disapointed when you found out the MOE forend dosn't fit. People with 3.5" chambered guns have options, the easiest being to just order the longer action tube, but if you have a SBS the longer action tube won't even fit on the gun. Magpul still has the only mounted photo on the Mossberg MOE page showing a M590A1 SBS with the MOE forend despite the fact that it is not a direct fit, not even close.  I modified two MOE forends last week to fit my two SBSs once I got the measurements and thought it through. First off, the forend needs to be relieved at the rear to clear the tension spring between the tube itself and the bars. As shipped, the action tube won't even slide all the way in the MOE. It stops about 1/8" short of the molded in ribs of the MOE. Clearancing the MOE on both sides lets the action bar slide all the way up against the ribs like it is supposed to. This should be an issue on any 500/590 series; 14", 18", 20"... and was mistake on Magpul's part. To address the length I first used a 1 1/2" hole saw to to the rough work. It is a very snug fit and was pretty much self centering. It bottomed out after cutting in 1" so it got me most of the way there.  I then used a Dremel cut-off wheel to start removing the center portion.  Once the rough work is done you need to remove the remainder of the ribs and make the inside profile match the front of the MOE so the anti-rotation insert will slide in. A combination of Dremel cut-off, router style, and sanding drums will work best. My 22mm Craftsman socket was a very snug fit in the MOE and worked very well as a guide to make sure all the ribs ended up even. You actually need to remove 1 1/8", the difference between the 6 1/2" and 7 5/8" action tube, for this to work best. Once this is done you can insert the correct anti-rotation insert to match your barrel profile and tighten up the nut. I used the orange MOE for the in-process photos because it is much easier to see the work but i did one black and one orange.  The bottom black MOE shows the gun in battery and you can see how the MOE actually cover the barrel lug just like the 16" barrel in Magpul's promo photo. It was worth the work to me but I just wish Magpul would have considered this before they went into production. If they had just molded the forend this way to begin with they could have just included a 1 1/8" tube section to use as a spacer on the longer action tube guns.

I'd be in for one!

Exactly. Their finish is like cheap-ass BBQ spraypaint. Maybe Big Green thinks rust gives it a nice patina look, but I sure as fuck don't.

Picked up my shockwave this past weekend and agree we need a different forearm for it. I would definetly be down for a MOE that is an east bolt on that doesnt reeduce capacity or block the front sling swivel. If you make this I promise I will finally forgive you for the Masada fiasco. 

I have these neat mag grip rubber decals and a magpul handstop waiting to go on it. Looks badass on them.

I'd be down for one.. Im gonna try to mod the one I got, doesn't seem to complicated.. Sure would be nice to have a direct from the factory fit though

I'd be in for one as well. The market is definitely there.

I'll take 5

Com on @magpul!!!

I came here to ask about the same thing.  I've got a new Mossberg shockwave here and I'm trying to blow some money customizing that bad boy.  Where's my m-lok forend?

Sadly, I dont think MP is listening 

Yeah, I figured even if they do come out with one, it'll be a while.  If those AK-74 magazines and the Ruger American stock are any indication, it'll probably a while for this to come to market, if it does at all.

Primary arms has a pretty decent price for the MOE front end.  I'm gonna take a whack at wallering out the inside of that guy and getting it to work on the baby mossberg.  If it doesn't work, I'm only out like $23.

And it would be so easy for them to make...

I took a keyhole saw and trimmed the shoulder inside the MOE forend, where the retention nut usually rests, back 1.125" and used the stock retention nut on the stock tube. Works/looks great. It was pretty easy.

While they're at it, I'd like to see a shockwave/pistol grip version of the Magpul Mossberg stock.  The lines molded into the stock already look like they'd make a nice guide.  If we could just lop off the back sholder section and leave the grip, I bet we'd have a nice little shockwave replacement.  Maybe if I can find one of these stocks that isn't $90, I'll give it a try.

It works.  The retaining ring comes up right behind the front m-lok slot, so I reckon some accessories might have trouble screwing onto the very front and not interfere with that.  Its still better than the factory black plastic corn cob.

I'd be in for two if this happened

What's on your grip?  And I love the orange. I have an orange foregrip on my Mossberg (20"590a1) and love it.

And come on Magpul, who cares about the Airforce contract for mags? We have cool things to make cooler.

Its grip wrap for bicycle handlebars. Soft, waterproof, and it gets tacky when it gets wet.  There's enough in each order to do like 4 shockwave grips.  
https://www.amazon.com/gp/product/B000SEHU56

I'd be in one.  Or at least someone to do the cutting for me.  I don't have the tools or skill to do it myself.

If they made one to fit, wouldn't it also still fit on the regular Mossberg?  Sounds like they need a Version 2.0

If they made a version that fit the shockwave and shipped it with a spacer/filler you could insert for longer magazine tubes, I think it would work.

Keepin this thread alive...
Cmon magpul

THEY ARE MISSNG THE BOAT


Ready made!!

Damn you. Ordered and added a shell holder, M Lok rail, follower. Thanks for helping me spending $180 before 9:30am  
Now I just need a stand alone green laser to mount on the pic rail. 

The truglo is pretty small and comes in red and green.  Its the one I have in my pictures above with the orange.  Even with the low rail, I couldn't get the pistol laser to zero.  Its a couple inches low at 20ft.  But perfectly fine for a hip fired scattergun.
https://www.amazon.com/gp/product/B00M2885F0

Thanks. Do you think it would clear (laser shine over) the raised forward portion of the MOE forearm if I would mount it on a MLOK pic rail attached to the forearm?

I hope magpul is reading this thread and seeing what they are missing out on selling us.

Magpul is missing out, and they should be more responsive here. It's a shame their strict policy keeps them so tight lipped. If they shed some light or gave us some expectations, perhaps we'd patiently wait to give them our business.