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Old 03-05-2018, 04:57 PM
bowzette bowzette is offline
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You must use a punch small enough to enter the opening where the roll pin is located, large enough to engage the sides of the roll pin which is hollow but large enough not to slip into the opening of the roll pin, get stuck and destroy the pin. Don't ask as how I became such an expert
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Old 03-05-2018, 06:37 PM
lancehankins lancehankins is offline
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Wheeler makes a set of roll pin punches that have a nub to fit the hole and a ledge to fit the sides. They are typically the same size punch as the hole so you shouldn’t have a problem getting it in there. Wheeler makes a set of just punches and they also make an AR toolset that has the punches that you probably need for the 15-22 plus a bunch of other handy to have stuff... worthwhile kits.


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Old 03-05-2018, 07:03 PM
linde linde is offline
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Quote:
Originally Posted by lancehankins View Post
Wheeler makes a set of roll pin punches that have a nub to fit the hole and a ledge to fit the sides. They are typically the same size punch as the hole so you shouldn’t have a problem getting it in there.
Here is what one looks like . . .

Russ
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Old 03-05-2018, 07:54 PM
bowzette bowzette is offline
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thanks just what i needed
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Old 03-06-2018, 01:36 AM
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Not only are specific roll pin (nubbed) punches in the set, but there is also (usually) a double ended roll pin starter, large on one end and small on the other. It will drive a pin into its channel and leave about 1/4” sticking out. You can use the appropriate punch to finish seating the pin without damaging it. Quicker and easier. Worth the money. Proper tools for the job.
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Old 03-06-2018, 05:14 AM
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cjt50 cjt50 is offline
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3/32nds is the correct size for the bolt roll pin. Also a little tip I learned; don't drive it all the way out, just enough to release the firing pin (under spring pressure) and the recoil spring guide. This will make re-installation a breeze so your not fighting it to keep it straight.
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Old 03-06-2018, 09:57 AM
bowzette bowzette is offline
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Not only are specific roll pin (nubbed) punches in the set, but there is also (usually) a double ended roll pin starter, large on one end and small on the other. It will drive a pin into its channel and leave about 1/4” sticking out. You can use the appropriate punch to finish seating the pin without damaging it. Quicker and easier. Worth the money. Proper tools for the job.
Yes. I eventually learn! Actually this is the first gun I have that has a "roll pin" that I can think of. Wasn't aware of the need for a special tool. After a few "wacks" with a hammer and normal punch I became "aware".
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Old 03-06-2018, 09:59 AM
bowzette bowzette is offline
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Originally Posted by cjt50 View Post
3/32nds is the correct size for the bolt roll pin. Also a little tip I learned; don't drive it all the way out, just enough to release the firing pin (under spring pressure) and the recoil spring guide. This will make re-installation a breeze so your not fighting it to keep it straight.
Thanks. Saw a YT video also recommending not to completely drive out the pin.
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Old 03-06-2018, 10:03 AM
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There is tuition cost for becoming a home gun smith, especially for the labs. How I know this.
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Old 03-06-2018, 10:06 AM
bowzette bowzette is offline
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I am now "armed" for future damage!
Grace USA Roll Pin Punch Set 7-Piece Steel - MPN: RS-7
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Old 03-06-2018, 12:01 PM
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IMO, even better because of starters as well as less $$.

AR-Stoner AR-15 Roll Pin Punch Set 7-Piece Steel - MPN: 219163
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Old 03-06-2018, 01:16 PM
TX-Dennis TX-Dennis is offline
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I guess I was just plain lucky. I replaced my firing pin by driving the roll pin (mostly) out with a nail the right size. I did clip the point off first. Worked like a charm for me, but I know it was a "bubba" job.

Got to get some real punches soon. Well, I have a couple, but neither was the right size.
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Or something like that . . .
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Old 03-06-2018, 01:30 PM
OldChief OldChief is offline
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I'm not familiar with the .22 caliber AR15, is this roll pin the same as the cotter pin type firing pin retaining pin in the .223 version?
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Old 03-06-2018, 05:12 PM
bowzette bowzette is offline
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Quote:
Originally Posted by TX-Dennis View Post
I guess I was just plain lucky. I replaced my firing pin by driving the roll pin (mostly) out with a nail the right size. I did clip the point off first. Worked like a charm for me, but I know it was a "bubba" job.

Got to get some real punches soon. Well, I have a couple, but neither was the right size.
I recommend not using a regular punch like I did. It was "almost" the perfect size which resulted in the bolt visiting my gunsmith to remove the "almost perfect punch" A roll pin punch would have avoided this drama.
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