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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Accuracy build help
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<blockquote data-quote="Lee7588" data-source="post: 3001863" data-attributes="member: 123764"><p>I will first say I didn't read all of the post in this thread. I have a tool from Brownells that somewhat trues up the face where the barrel mounts the upper. I use 600 grit lapping compound and a hand drill. My groups have tightened up substantially after doing this.</p><p></p><p>[URL unfurl="true"]https://www.brownells.com/tools-cleaning/gun-tools/rifle-tools/ar-15m16-upper-receiver-lapping-tool/[/URL]</p></blockquote><p></p>
[QUOTE="Lee7588, post: 3001863, member: 123764"] I will first say I didn't read all of the post in this thread. I have a tool from Brownells that somewhat trues up the face where the barrel mounts the upper. I use 600 grit lapping compound and a hand drill. My groups have tightened up substantially after doing this. [URL unfurl="true"]https://www.brownells.com/tools-cleaning/gun-tools/rifle-tools/ar-15m16-upper-receiver-lapping-tool/[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Accuracy build help
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