Special Ops Paintball: Picatinny Rail Mod How-to (lotsa pics) - Special Ops Paintball

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Picatinny Rail Mod How-to (lotsa pics)

#16 User is offline   Swede Johanson 

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Posted 06 February 2007 - 10:35 PM

I've used both a dremel & a hacksaw so far on my 98c grip. I have one side of the grip gone & will do the other tomorrow. Just an idea, but does anyone have a plasma cutter that I can I borrow?
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#17 User is offline   PliskinAJ 

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Posted 06 February 2007 - 10:48 PM

What are you going to plasma cut, they cut metal really well but it is never streight. They cut so well there is almost no resistance so it showes ever wobble of your hand and there normally limited to 1/4" thick metal. If you ever want to make a precise cut i would alsmost always go with a cut off wheel or a hack saw.
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#18 User is offline   joe bag o donuts 

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Posted 07 February 2007 - 07:39 PM

FINAL UPDATE!

Well I drilled and tapped the holes today.

Here's what you'll need as well as a drill.
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Here's a close-up of the rail showing the two holes I drilled. Also notice there's about an inch gone from the rail. The rail is from the Underground Mod Shop
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A picture of the holes drilled and tapped. To tap a hole just drill the hole and then applying pressure, 'screw' the tap into the hole. Try to keep the tap straight so the teeth cut straight threads.
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Here's showing the rail mounted.
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And all together...
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Paint I'm gonna hold of on until maybe I can get an airbrush and some Duracoat.
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#19 User is offline   Backwardz 

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Posted 07 February 2007 - 08:30 PM

View PostPliskinAJ, on Feb 6 2007, 11:48 PM, said:

What are you going to plasma cut, they cut metal really well but it is never streight. They cut so well there is almost no resistance so it showes ever wobble of your hand and there normally limited to 1/4" thick metal. If you ever want to make a precise cut i would alsmost always go with a cut off wheel or a hack saw.


Being a former certified welder, I have to comment. The only time a plasma cutter doesnt cut straight is because of user error. And there are several plasma cutters that will cut up to over 3/4 of an inch. I have a personal one that will cut 1/2" with no problems. I wouldnt recommend using it in this instance though, because cast metal is very fragile, and using a plasma to cut it could damage it beyond repair. Use the hack saw, the cutoff wheel , or even a jigsaw with a good metal blade in it.

And very nice job on the mod of the 98.

This post has been edited by BassAckwardz: 07 February 2007 - 08:31 PM

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#20 User is offline   PliskinAJ 

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Posted 07 February 2007 - 10:43 PM

Well, yeah the more i think about it the more you seem to be right. The one at school seemed to be a crap shoot to see if it would even cut. While the one at worked always seemed to cut just fine.
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#21 User is offline   Josh_ 

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Posted 08 February 2007 - 12:54 PM

Looks good. I know have a new project. And Bass is right, just use a cutoff wheel or a hacksaw. And great job Joe!!
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#22 User is offline   geezer 

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Posted 08 February 2007 - 06:35 PM

Not a complaint but a concern, the screws impede mounting in two areas; does this affect your mounting of certain items?
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#23 User is offline   joe bag o donuts 

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Posted 09 February 2007 - 12:03 AM

View Postgeezer, on Feb 8 2007, 09:35 PM, said:

Not a complaint but a concern, the screws impede mounting in two areas; does this affect your mounting of certain items?


Good point, but I don't mount anything on the rail so I couldn't tell you if they did or not. I use it as a foregrip.

If it were to get in the way you can drill the holes down the center of the two reciever. I did it with my first one and it worked fine. I just didn't like having to take off the rail to take apart the gun.
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#24 User is offline   Swede Johanson 

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Posted 26 February 2007 - 07:02 PM

Thanks to some very detailed instructions from joe here is where I'm at right now.

Going from this...
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To so far this...
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Along with a rail where the foregrip used to be I'm putting a rail top also. I just primmed ir for painting 30 min ago so I should have that final pics up this weekend.
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#25 User is offline   joe bag o donuts 

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Posted 28 February 2007 - 11:32 PM

Looking good Swede. Glad I could help.
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#26 User is offline   DarkFreedom 

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Posted 01 March 2007 - 05:40 PM

View Postjoe bag o donuts, on Feb 4 2007, 01:36 AM, said:

Yeah, I use JB Weld on my projects. I used JB on my last 98 because I wanted to mount the rail through several holes down the middle. I found it was a pain to field strip so I drilled the two holes in the one reciever. That way the gun can be dis-assembled and re-assembled without removing the rail.

This project I probably won't fill the gap in. Too much hassle and no one will see it under the rail.


just to let people know, I use something called "quicksteel" which I buy at walmart right next to their jb weld display. I prefer the quick steel because it's more like a putty than a funky goop like jb. once you knead it into activation you place it how and where you want ti to be and it stays, unlike jb weld that will ooze and get all over if you aren't super careful.

View PostSwede Johanson, on Feb 6 2007, 11:35 PM, said:

I've used both a dremel & a hacksaw so far on my 98c grip. I have one side of the grip gone & will do the other tomorrow. Just an idea, but does anyone have a plasma cutter that I can I borrow?



I read a thread on pb nation not too long ago about someone using a plasma on their 98c (hope it wasn't you) and it not only melted the area he cut worse than he wanted, but the heat warped the gun so bad that the sides couldn't be bolted back together properly, thus ruining the gun. Also, the dremel works good for cutting if a. you go slow, it's a rotary tool so ot depends more on it's rpm to cut than forward force like a hacksaw, and b. use the slightly larger fiberglass reenforced cutoff wheels, they last about 6 times longer than the regular cutoffs and seem to cut a bit faster too.
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#27 User is offline   Swede Johanson 

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Posted 14 March 2007 - 10:47 PM

I finally have this thing almost done, I just have to put everything together again. Thanks again Joe

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#28 User is offline   TonsOfFun 

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Posted 20 March 2007 - 01:29 PM

wher did you drill the holes? alternating sides or on one?
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#29 User is offline   joe bag o donuts 

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Posted 20 March 2007 - 09:59 PM

View PostTman, on Mar 20 2007, 03:29 PM, said:

wher did you drill the holes? alternating sides or on one?


Check out post #18 and the third picture down. I drilled both holes one reciever. It helps when you're taking the marker apart although you can drill them wherever you want.

Swede you did an excellent job. I really like the top rail, it really compliments the bottom one.
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#30 User is offline   TonsOfFun 

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Posted 21 March 2007 - 11:41 AM

not to ask a ton of questions but about how far did you drill them in, and what size bolt? did you put a nut on the other side so it would not loosen? sorry if you already said so, i did not see it.

-thanks again
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