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 Post subject: Mossberg 88 forend conversion help and some spare parts.
PostPosted: Sat Feb 08, 2020 8:50 am 
Utility Grade

Joined: Mon Apr 08, 2019 7:10 pm
Posts: 4
Hi everyone! I recently rescued a beat-up Mossberg "Maverick" model 88 12-Gauge shotgun from the local pawn-shop. I decided I wanted to modify it a bit, and some casual conversation with some shotgun buddies led me to believe I could put a MagPul forend on without too much issue.
So I purchased a Mag494 forend, which is listed as fitting the M590/590A shotguns. My buddies said it would also fit a M500, and hence the model 88. When it came in I had the shotgun disassembled, and so immediately noticed that the MagPul forend did not have the 'pinned' slides as does the original model 88 forend.
Some research eased my worry when I discovered that I simply needed to purchase a "slide-tube assembly" and locknut to install the MagPul forend. That worry returned when I started seeing advertisements for 6 1/2" and 7 5/8" assemblies. Even more reading reveals that although several sources state that both lengths will fit a model 88, NO ONE actually states that they've successfully used one length or the other.
It seems to me that the forend should dictate the length required, but I'm just not sure. I've sent a message to MagPul, and to Havlin Sales, but probably won't hear from them until Monday or Tuesday.
As long as everything works out, I will have a model 88 black stock, forend, and barrel available if anyone out there needs one. I also have a plastic heatshield and an AIM Sports 6-shell side-saddle carrier(mounts to receiver) I'm not going to use. The reconditioning of the receiver went better than expected, and I just don't want to cover up that nice stamp!
As for "reconditioning"; I know I'll get some flak, but I'm really happy with the results. I've done a beat-up M500 and now this M88 with 'DupliColor' black "Truck Bed Coating". Yes, spray-on bed-liner! The M500 is my 'carry', and was done last year in May. It's been in my vehicle or on my back since, and the finish is holding up pretty well.

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So far the M88 is looking as good or better, and if you all can help me get the correct length for that "slide-tube assembly" I'll post photographs of it as well!

Thanks for reading!

Rick
Retired USN




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 Post subject: Re: Mossberg 88 forend conversion help and some spare parts.
PostPosted: Mon Feb 17, 2020 8:32 pm 
Crown Grade

Joined: Mon Jul 05, 2010 7:16 pm
Posts: 3332
Location: New England
.

Mine is 7-5/8"

I converted mine from a field gun to a whippet (the table tiles are 6"x6")

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["CriscoKid", alias: Fat in the Can]


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 Post subject: Re: Mossberg 88 forend conversion help and some spare parts.
PostPosted: Thu Feb 20, 2020 4:58 pm 
Utility Grade

Joined: Mon Apr 08, 2019 7:10 pm
Posts: 4
I need a few more parts before I can mount the MagPul stuff, but here it is 'finished'. I took it out and function-checked it as well! It seems as if the compensator does do it's job.

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From one side
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From the other!
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The 'finish' turned out pretty nicely, and gets more durable as it cures.


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 Post subject: Re: Mossberg 88 forend conversion help and some spare parts.
PostPosted: Sun Feb 23, 2020 2:59 pm 
Tournament Grade

Joined: Mon Dec 10, 2007 10:41 am
Posts: 296
Location: Lacey, WA
You need to measure the new forearm length, (length of the hole where the slide tube will go into), then match that with the new slide tube.

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 Post subject: Re: Mossberg 88 forend conversion help and some spare parts.
PostPosted: Wed Mar 04, 2020 8:30 pm 
Field Grade

Joined: Sun Jan 13, 2019 9:40 pm
Posts: 42
Location: Sheridan, Il
Nice rebuild Rick. I am particularly interested in the truck bed coating you used. I have had that idea to use it for a scope mount but wasn't sure how it would hold up. Not so much physical wear but more the solvents used when cleaning guns. Have you had any issues with that? Also, (and I'm not sure if you will know this but someone might) will this type of coating adhere to brass? This scope mount is a piece of brass bar stock so wondering if that type of metal would cause any problems.

Thanks and again, nice job.

John


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 Post subject: Re: Mossberg 88 forend conversion help and some spare parts.
PostPosted: Mon Mar 23, 2020 12:30 pm 
Utility Grade

Joined: Mon Apr 08, 2019 7:10 pm
Posts: 4
Thanks everyone. I wanted to give a quick update. I've had the M88 in use for just about 2 months now with it's original furniture; I decided to keep it as is and find a 590 to put the MagPul stuff on.
BE Chuter, the coating seems to be holding just fine, even in the 'exhaust path' of the compensator. Prep the metal, use a good primer, and your scope-mount should turn out nicely. I'd recommend masking the inner side of the rings so that your scope isn't compressed by the thickness of the coating.




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