How to fix split mp5 fullstock

Megadeep · June 2nd, 2005, 20:45

As you can see, the stock started splitting along the seam. This creates a wobbly stock when its on the gun. I tried to fix this by clamping and using a heat gun to heat up the plastic, but that actually just made the split bigger. Anyone know of a way to fix this?

HGI · June 2nd, 2005, 20:50

I'd just try useing some crazy glue or fyber glass it together.

PoFF · June 3rd, 2005, 08:08

A full coat of fiberglass is definately the best and most durable solution, but it's a long and quite tough to do it correctly. Applying the cloth and resin correctly, then a long run of sanding, but then you'll have a smooth and durable surface, easy to paint.

Crazy Glue or QuckTite will do the job just fine, or epoxy.

Donor · June 3rd, 2005, 08:35

Epoxy will harden up to the point of being extremely hard to sand smooth if your not using a grinding disk

but it'll make one strong bond.

I think your onto something with the heating though - plastic cement (The clear stuff that smells like alcohol that people use to assemble plastic models).
It essentially is plastic's equivalent to welding as it melts the plastic that it comes in contact with allowing you to clamp the two sides of the crack together so that they can fuse while drying. The process is purely chemical so the heat generated will definitely not be enough to warp the plastic.

"Games Workshop" has a really good one for putting together the warhammer type armies.

Hope that helped!

Cheers!

HGI · June 3rd, 2005, 11:40

Quote:

Originally Posted by PoFF

Applying the cloth and resin correctly....

I'm sure he could get away without using the cloth

Red Ghost · June 3rd, 2005, 12:17

If you use the resin without the cloth, a lot of the strength will not be there. That's the point of composites. It may look a little neater without patches of clot on the stock, but it will be stronger, much stronder with the cloth.

firemachine69 · June 3rd, 2005, 16:52

Could just switch out for another stock...

Guardian · June 3rd, 2005, 16:59

Quote:

Originally Posted by Donor

...plastic cement (The clear stuff that smells like alcohol that people use to assemble plastic models) ...

I use a product called "PROWELD" available at most hobby shops. You clamp the plastic parts together then apply a little PROWELD to the joint. Capillary action carries it though the joint and actually chemically melts the plastic together. Dries very fast also but leave it clamped for an hour to be sure.

Megadeep · June 3rd, 2005, 22:02

Thanks everyone for the ideas.

Megadeep · June 4th, 2005, 13:06

I just applied some jb weld to it. It was the only thing i had around the house. I'll let you know how it turns out.

Megadeep · June 6th, 2005, 03:02

Seems to be holding strong, no more stock wobble. Now i just have to sand it smooth and paint it.

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June 2nd, 2005, 20:45	#1
Megadeep Trader rating Join Date: Apr 2004 Location: Winnipeg	How to fix split mp5 fullstock As you can see, the stock started splitting along the seam. This creates a wobbly stock when its on the gun. I tried to fix this by clamping and using a heat gun to heat up the plastic, but that actually just made the split bigger. Anyone know of a way to fix this?

June 3rd, 2005, 08:08	#3
PoFF Trader rating Join Date: Dec 2001 Location: Laval, QC	A full coat of fiberglass is definately the best and most durable solution, but it's a long and quite tough to do it correctly. Applying the cloth and resin correctly, then a long run of sanding, but then you'll have a smooth and durable surface, easy to paint. Crazy Glue or QuckTite will do the job just fine, or epoxy. __________________ Founding member of the S.A.T.T - That's right, were BACK! The only purpose for a pistol is to fight your way back to the rifle you should have never laid down Visitez Arme ?* Feu.com - Le site des amateurs d'armes ?* feu francophones

June 3rd, 2005, 12:17	#6
Red Ghost Trader rating Join Date: Dec 2004 Location: The Ambush You're About To Enter	If you use the resin without the cloth, a lot of the strength will not be there. That's the point of composites. It may look a little neater without patches of clot on the stock, but it will be stronger, much stronder with the cloth. __________________ TM SR-16 Stock, And A Shitload Of Mags Apparently, a hand grenade does not belong in my toolbox. Nor does a hand grenade with the pin pulled belong in someone else's toolbox. When In Doubt, Empty A Magazine.

June 2nd, 2005, 20:50	#2
HGI Trader rating Join Date: Dec 2003 Location: Nanaimo	I'd just try useing some crazy glue or fyber glass it together.

June 3rd, 2005, 08:35	#4
Donor Trader rating Join Date: May 2005 Location: Mississauga, Ont	Epoxy will harden up to the point of being extremely hard to sand smooth if your not using a grinding disk but it'll make one strong bond. I think your onto something with the heating though - plastic cement (The clear stuff that smells like alcohol that people use to assemble plastic models). It essentially is plastic's equivalent to welding as it melts the plastic that it comes in contact with allowing you to clamp the two sides of the crack together so that they can fuse while drying. The process is purely chemical so the heat generated will definitely not be enough to warp the plastic. "Games Workshop" has a really good one for putting together the warhammer type armies. Hope that helped! Cheers!

June 3rd, 2005, 22:02	#9
Megadeep Trader rating Join Date: Apr 2004 Location: Winnipeg	Thanks everyone for the ideas.

June 4th, 2005, 13:06	#10
Megadeep Trader rating Join Date: Apr 2004 Location: Winnipeg	I just applied some jb weld to it. It was the only thing i had around the house. I'll let you know how it turns out.

June 6th, 2005, 03:02	#11
Megadeep Trader rating Join Date: Apr 2004 Location: Winnipeg	Seems to be holding strong, no more stock wobble. Now i just have to sand it smooth and paint it.

How to fix split mp5 fullstock

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