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what is the size I would use fort he 6.5 Creedmoor? — 2 Answers
by
Bill,
from CA, United States Asked on May 3, 2018
Answered by
BobG,
member,
from MA, United States,
on October 10, 2021
According to my SAAMI drawing the headspace dimension is 1.5438 +0.00/-.007 so 1.5369 min to 1.5438 max. The shoulder dimension spec on the same drawing is .400.
If I use the C 375 insert, a factory new loaded Hornady 6.5 Creedmoor cartridge measures 1.5565. Are you sure the C 375 insert is correct?
Using the D 400 insert measuring the same cartridge listed above, the headspace measures 1.5364. Wouldn't the D 400 insert make more sense?
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