Thread: 15-22 PC Barrel Diameter
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Old 03-10-2017, 02:26 PM
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Originally Posted by Autigers View Post
Anyone with a PC model and caliper please help! I need to know the barrel diameter right before the thread protector and thread length from shoulder to crown (I know 1/2-28 but what is length). Thanks
thread length is standard AR15, .620in

Barrel diameter before the thread protector , .780in

This was measure with my cheapy pittsburg digital set
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