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Old November 29, 2019, 03:57 PM   #3
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Join Date: December 10, 2012
Posts: 5,483
Originally Posted by BBarn View Post
Looks like the SAAMI pressure limits are different. 62000 PSI for the 6.5 Creedmoor versus 58000 PSI for the 6.5-284 Norma. The reduced pressure permitted in the 6.5-284, and the short OALs of the 6.5-284 (due to a short throat in Hornady's test rifle) probably ombined to work against the 6.5-284 in Hornady's testing.
Interesting. According to my saami sheet, which may be dated, there is no max pressure for the 6.5x284 Norma.
Most other reloadibg guides use 62k psi for it.
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