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Posted: 2/27/2006 8:44:44 PM EDT
I seached and looked at the headspacing section and I still did not find an answer to my question.

So, If I change only the upper from an A2 to a flat top, do I need to check the headspacing?

Thanks
Link Posted: 2/27/2006 11:48:44 PM EDT
the headspace has to do with the bolt and the barrel ( distence ) if you use the same barrel and bolt you will not have any problems. However it is never a bad idea to check it. But if it works now changing the upper will not change the headspace at all



Invisiblesoul
Link Posted: 2/28/2006 3:06:21 PM EDT
so if I buy a new upper assembly and purchase a new bolt and carrier group will I need to headspace?
Link Posted: 2/28/2006 3:15:49 PM EDT
That is correct.
Link Posted: 2/28/2006 3:30:09 PM EDT
is that a yes i need to or no i don't
Link Posted: 2/28/2006 4:39:21 PM EDT

Originally Posted By Peteo:
so if I buy a new upper assembly and purchase a new bolt and carrier group will I need to headspace?



I think if you were to buy a new complete upper with bolt carrier group they come headspaced from the builders shop.
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