barrel torque for ar-15

3458 Views 7 Replies 5 Participants Last post by nonnieselman, Feb 17, 2011

dcmatt415

Discussion Starter · Feb 17, 2011

when installing a barrel on an ar-15 upper, what is the torque necessary for proper fitment, if any, and how would you measure this if necessary?

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I put syn wheel bearing grease on mine before putting them together. Tighten it down a little and then back off, tighten it down a lil more and back off, the last time tighten it pretty good and align to the next gas tube hole. That has worked for me and none of them have blown up yet

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