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6.5-08 vs. 260 Rem?

ranger1183

Gunny Sergeant
Supporter
Full Member
Minuteman
Jul 18, 2006
3,105
14
Whitefish, MT, USA
Any idea why Quick Load has such significant pressure differences between 6.5-08 and 260 Rem? I thought they were one in the same creature. No?
 
Re: 6.5-08 vs. 260 Rem?

The QL data shows the case length, volume, and max pressures are different.
I don't know the true spec differences but if you make those two the same you should get similar output.
 
Re: 6.5-08 vs. 260 Rem?

There's no substitute for using an accurate case capacity measurement when doing these exercises.
 
Re: 6.5-08 vs. 260 Rem?

A-Square submitted a sample cartridges and drawings of a new factory chambering to SAAMI in 1996 to establish the round as the 6.5-08 but Remington go their hand in the mix about the same time telling SAAMI they were going to standardize the 6.5 version of the 308 with the same case (Remington 260) and Remington won. Exteranly the same but there may be some internal differences.