Posted: 6/27/2009 5:49:06 PM EDT
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Paul, your new complete lowers come with a "Staked Lock Nut ".
How do you do the staking? Can you sell a jig to do this? |
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Get one of those "Starett" punches from Brownells works like a charm..
http://www.brownells.com/.aspx/pid=12619/Product/AUTOMATIC_CENTER_PUNCH So easy an Ivy Leaguer could do it. |