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Old 11-13-2019, 3:38 PM
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ar15barrels ar15barrels is offline
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Quote:
Originally Posted by sofbak View Post
Looking at SAAMI spec drawings for 6.5 creedmore, the case dia at the shoulder is 0.4620".
The chamber dia at the shoulder is 0.4630".
Ten thou "nominal" diametral clearance.
Don't you mean ONE thousandth?

Quote:
Originally Posted by sofbak View Post
I still don't see how you hold .002 to .003" clearance.

Looking at SAAMI spec drawings for 6.5 creedmore, the case dia at the shoulder is 0.4620". The chamber dia at the shoulder is 0.4630". Ten thou "nominal" diametral clearance.

If I'm using a commercial die made to SAAMI specs with a rifle chamber reamed ro SAAMI specs, how do I close that clearance of .010" down to your stated clearance of .002"?
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