Stiffening a Norinco M14 Plastic Stock

Many thanks to Duck for the inspiration, and heres my go at stiffening the old plastic stock.
I got the Dremel out and removed the side ribs from the magwell forward, being careful to leave the bottoms of the ribs in place...dont know why but it srt of seemed to make sense...(some engineer out there will know about that sort of thing ). I didnt have any arrow shafts laying around in the chicken shed but I did have some 1/8 x 1/2 aluminum.
Drilled some holes in that for the old JB weld to anchor to, and scored the inside of the stock, again for the JB to anchor to.
The only techy bit about the whole job was taking the file to the aluminum to ensure that the action didnt contact. No problems and it is some stiff now, I would say easily 95% of the flex has gone.
The whole job took about an hour, apart from curing time, and on a difficulty of 1 to 5 I'd give it a 1.
Good stuff Duck..............Cheers
As soon as it gets above -30c I'll take it down the range and see if I can break it :)
The 6 Dollar CQB is now worth at least 8 Dollars

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All of you stock stiffeners... just ensure yer dicks don't fall off from exposure to JB Weld. It's not toxic but with the amount you're using you might get some up the a... :evil:

Cheers,
Barney
 
Fenix.NZ said:
Skateboard grip tape.

in saying that.. your service rifle must be much different to our service rifle as ive used the standard norinco stocked M14s are have never had an issue with it being too slick
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I haven't tried service rifle yet but fully intend to this year. From what I understand reading the SR rules, tape or adhesive is a no no. Otherwise i'd try it. I'm looking at spraying the textured paint on it.
 
Good on ya Lost ...again. That is the spirit. I kind of like your aluminum idea better. It will be interesting if it shoots any better.
 
This is what ive done so far...

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I havent tried the receiver and barrel in yet but im assuming ill have to file/trim some areas to accomodate this.

Instead of plates of arrows i used 1/4" steel rod.

When i had it in the vice as it stands... it still flexes like it did without the rods.... what more do i need to do to get the flex out? thanks!
 
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Duke878 said:
This is what ive done so far...

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image6.jpg



I havent tried the receiver and barrel in yet but im assuming ill have to file/trim some areas to accomodate this.

Instead of plates of arrows i used 1/4" steel rod.

When i had it in the vice as it stands... it still flexes like it did without the rods.... what more do i need to do to get the flex out? thanks!
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I would say lay some fibreglass down on the inside...but those ribs are in the way. I didn't have that problem of the ribs when I stiffened the forend on my USGI fibreglass stock. So...maybe throw a few layers onto the outside...build it up like a fat McMillan stock. You could also take a dremel and carve out some channels in the ribs to epoxy in couple more rods. How's the epoxy sticking to that Norc plastic? Are you getting a good bond?

Good on ya for not being afraid to tinker around.
 
Apparently it didn't bond well at all. just ripped it out. I should rough up the side of the stock.. What about the metal rods?

I just used this 2 part plastic repair stuff I have at work. maybe I'll use the JB weld stuff instead...
 
Duke878 said:
Apparently it didn't bond well at all. just ripped it out. I should rough up the side of the stock.. What about the metal rods?

I just used this 2 part plastic repair stuff I have at work. maybe I'll use the JB weld stuff instead...
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45ACPKING can chime in here, but from what I know, the Norc tupperware stocks do not bond well with epoxies...so you have to go with a mechanical bond, and yes that means roughing up the stock to create lots of nooks and crannies for whatever epoxy you are using (JB weld, Devcon, MarineTex, etc). Just sanding may not cut it....gouge the plastic with a dremel tool. Rough up those rods too.
 
I'd try laying in short pieces zig zag style like I did in the bottom between the ribs. Maybe a second level of rod as well. Rough the plastic up with 80 grit sandpaper and the rods as well. Try Lost...Agains' idea of using aluminum flat bar along the sides.
 
I took another stab at it. Dug a shallow trench on the sides to accommodate the rods. Roughed up the rod with a grinding wheel and the stock with 100 grid sand paper. Used the JB weld putty to "tack" it in place then used some epoxy to seal it in.

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There's 5 pieces in there that don't interfere with the op rod or any moving part of the rifle (lucky!). I think one more application of the epoxy, smooth/sand down the ugly bits and maybe paint it nice.

I'm about 75% done and its ugly as crap but stiffens the fore end a lot! Thanks for all the tips and suggestions :D
 
With respect to using steel rods and weight - as noted in a previous post - some guys on 24hr Campfire are using carbon fiber arrows epoxied into the fore-end of their stocks (not M305's, but should work just as well).
 
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