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go-no go-field gauge??

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Unread 06-25-2013, 02:58 PM
Silver Member
Join Date: Jul 2007
Location: SW Wisconsin
Posts: 224
Re: go-no go-field gauge??

Not when you have it set up in the lathe to chamber correctly in the first place. I can measure the specific headspace of a bolt/extension combination, cut the tenon, thread, chamber and cut the chamfer all in one setup, why would I want to take it out of the lathe, torque on the extenstion, then have to ream again? Doesn't make sense to me at all. On AR's I ream to go + .002 as semi-auto's don't like tight chambers. I haven't timed myself but after a barrel is dialed in through the headstock (less than 5 minutes) I can have it done in less than an hour. Finishing up the contour, polishing, cutting and crowning takes another hour.
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Unread 06-25-2013, 03:05 PM
Bronze Member
Join Date: Nov 2012
Posts: 39
Re: go-no go-field gauge??

You guys are miles ahead of me, I am just tryin to make sure the darn thing don't blow up on me!!! ( I love tryin to soak in all the knowledge though)
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