AR Sponsor
Posted: 3/15/2011 6:06:49 AM EDT
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what should the od of an upper lapping tool be? id like to make one for myself and im not sure if i need to just measure the upper i have, or measure the bcg, or if there is a standard i need to follow? can someone post up a nice precise measurement of their upper lapping tool?
i am a machinist so i can handle making this very simple to make tool. |
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Mine cost me what ever I value my time. But since I did it during work I got paid to make it.... I'm sure the same goes for OP. |
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That's no fun. Anyone can buy a tool. Few can make one |
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Quoted:
That's no fun. Anyone can buy a tool. Few can make one I figured it be cheaper than buying the materials. Sometimes time is more expensive than buying the part out right. |
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Quoted:
Quoted:
That's no fun. Anyone can buy a tool. Few can make one I figured it be cheaper than buying the materials. Sometimes time is more expensive than buying the part out right. The scrap pile at work has taken a hit since I started working there a couple years ago... You wouldn't believe the stuff that's in there! |
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Quoted:
I made one last year on a lathe. Didn't take long at all, It worked perfect on all the receivers I lapped, fit was perfect, bought lapping compound from autozone. http://i169.photobucket.com/albums/u240/DCMoney22/AR-15LappingTool.jpg Thank-you... 
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