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10/20/2017 1:01:18 AM
9/22/2017 12:11:25 AM
Posted: 8/18/2005 7:57:07 PM EDT
can I change the carrier and\or bolt on my AR without needing to have the headspace checked? I know nothing about the headspace issue. Also if I buy an upper assembly without the bolt\carrier do I need to have it checked?
Link Posted: 8/18/2005 8:01:50 PM EDT
[Last Edit: 8/18/2005 8:02:20 PM EDT by repub18]
yes, no


You can change carriers all day without affecting headspace. If your barrel or bolt has been used quite a bit it is generally wise to check headspace or just buy a new bolt. Your best bet is to just a USGI field guage for $25 and if a the bolt closes on it then your headspace is messed up. Headspace is determined by the barrel extension so a new upper should not have a problem.
Link Posted: 8/19/2005 4:04:09 AM EDT
yes on the carrier

i wouldnt on the bolt

usually not a problem with low round count but the bolts usually wear together with the barrel ext. which would give you hs problems when swapping
Link Posted: 8/19/2005 4:24:55 AM EDT
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