Boxorox Posted May 18, 2019 Report Share Posted May 18, 2019 Came across a complete set of lapping tools for the AR-15, AR-10, M5E1 and M4E1. I have all 4 of these receivers so I thought I'd give them a try. http://www.gandgrifleworks.com/AR10-Lapping-Tool-p/arlapset.htm Quote Link to comment Share on other sites More sharing options...
bleech43 Posted May 20, 2019 Report Share Posted May 20, 2019 I bought and used this tool and it worked perfectly. My M5 shoots great! Quote Link to comment Share on other sites More sharing options...
unforgiven Posted May 20, 2019 Report Share Posted May 20, 2019 Do you have a before and after experience ? Quote Link to comment Share on other sites More sharing options...
JAustin316 Posted June 19, 2019 Report Share Posted June 19, 2019 I got one of these they just had one sale. Its nice because it also acts as a reaction rod. http://www.x-caliber.net/bart-20 Quote Link to comment Share on other sites More sharing options...
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