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8/5/2014 11:20:24 AM EDT
I purchased both a barrel (14.5 middy) and forged upper receiver from Aero Precision.

Can I assume the headspace should be ok as they are both produced by the same manufacturer?

Yes...no??
8/5/2014 11:53:08 AM EDT
[#1]
The headspace is between the barrel and the bolt.  On AR barrels it is basically set when the extension is attached.
 



but what do I know I am an internet troll.

8/7/2014 4:26:34 AM EDT
[#2]
Headspace is measured from the face of the bolt to a point in the chamber.
Barrels and bolts have manufacturing tolerances.
Not all combinations will pass a headspace check.
Which makes checking the headspace a good idea.
8/7/2014 6:50:16 AM EDT
[#3]
+1 Always a good (should be mandatory) idea to check headspace when getting bolt from supplier "A" and barrel from supplier "B". You can not depend on any "spec" part from any supplier to match any "spec" part from another supplier, or from the same supplier. Better safe than sorry.  
Quote History
Quoted:
Headspace is measured from the face of the bolt to a point in the chamber.
Barrels and bolts have manufacturing tolerances.
Not all combinations will pass a headspace check.
Which makes checking the headspace a good idea.
View Quote

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