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barreling question

This is a discussion on barreling question within the The M14 forums, part of the M14 M1A Forum category; sorry for the " dumb" question but here it is . when using a "short chambered " barrel , its my understanding that the chamber ...


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Old May 9th, 2007, 07:03 AM   #1
 
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barreling question

sorry for the " dumb" question but here it is .
when using a "short chambered " barrel , its my understanding that the chamber is to be finished reamed for proper headspacing . Doe's the bolt still require lapping for headspacing as well ? tia Rob

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Old May 9th, 2007, 09:38 AM   #2
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Lightbulb Bolt lapping

Any time you change bolts, new or used, you should lap the bolt to the receiver. This should be done prior to final reaming the barrel. Bolt lapping after the barrel is reamed will result in longer head space. If you are working with a new receiver and bolt, be aware that the bolt may not bear evenly on the recoil shoulders of the receiver or have sufficient contact (80%). The purpose of lapping is to correct these deficiencies.

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