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Posted: 9/16/2008 7:49:38 AM EDT
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Hello. I'm trying to change out a barrel on a RRA varmint upper and I'm having trouble getting out the roll pin on the gas block. I tried using a 1/16 punch all it does is wedge down into the inside of the roll pin. a 5/64 drill bit is too big. Any suggestions? |
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You do mean the roll-pin for the gas tube right? The best solution is to get a set of roll-pin punches. They have a small nipple that helps prevent the roll pin from getting deformed and makes it easier to install and remove roll pins. My set is from Sears.... www.sears.com/shc/s/p_10153_12605_00943167000P My local Sears has them as well... You can also get them at other places if you look. |
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x3 for roll pin punches. The hardware stores and Harbor Freight here in Colorado doesn't have them (they sell regular punches though). I bought a set from Tool King on Saturday for about $10. There is a difference and the little nipple on the end of the punch makes a huge difference. I assembled a lower yesterday (less trigger group) in about 15 minutes tops. |
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