IIRC someone posted on his friend shooting this cartridge a few months ago. It is now official.
Information found at Accurate shooter. It appears to be a necked down 375 Ruger with slight variations on a few dimensions. It is so close to the 30 Nosler with perhaps a 50-75 fps advantage don't see why they bothered. It would make it easier to make 7mm/375 Ruger. Who will be first to make a 6.5 version?
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From Accurate shooter
The .300 PRC — A Longer Version of the 300 Ruger Compact Magnum
The 300 PRC seems to be more a hunting cartridge than a cartridge for tactical games. Talking about this cartridge, Hornady states it would be an "excellent choice… for hunting applications" as well as "long-range precision shooting". Inspired by the 300 Ruger Compact Magnum (RCM), the 300 PRC has a longer case body (2.580″) compared to the 300 RCM (2.100″), for more case capacity. That gives it the ability to push big .30-caliber bullets at higher velocities. But honestly, there are many other well-established Magnum hunting cartridge, so we doubt the .300 PRC is going to become popular among the hunting crowd. Time will tell however.
"Both the 6.5 PRC and the 300 PRC are multi-functional cartridges that are excellent choices for target and match shooting as well as hunting applications," said Joe Thielen, Hornady's Assistant Director of Engineering. "The primary focus of the design of both the 6.5 PRC and the 300 PRC has always been long-range precision shooting."
Hope pasting this is not some sort of copyright issue. If so Len, remove it.
Information found at Accurate shooter. It appears to be a necked down 375 Ruger with slight variations on a few dimensions. It is so close to the 30 Nosler with perhaps a 50-75 fps advantage don't see why they bothered. It would make it easier to make 7mm/375 Ruger. Who will be first to make a 6.5 version?
-------------------------------------------------------------------------
From Accurate shooter
The .300 PRC — A Longer Version of the 300 Ruger Compact Magnum
The 300 PRC seems to be more a hunting cartridge than a cartridge for tactical games. Talking about this cartridge, Hornady states it would be an "excellent choice… for hunting applications" as well as "long-range precision shooting". Inspired by the 300 Ruger Compact Magnum (RCM), the 300 PRC has a longer case body (2.580″) compared to the 300 RCM (2.100″), for more case capacity. That gives it the ability to push big .30-caliber bullets at higher velocities. But honestly, there are many other well-established Magnum hunting cartridge, so we doubt the .300 PRC is going to become popular among the hunting crowd. Time will tell however.
"Both the 6.5 PRC and the 300 PRC are multi-functional cartridges that are excellent choices for target and match shooting as well as hunting applications," said Joe Thielen, Hornady's Assistant Director of Engineering. "The primary focus of the design of both the 6.5 PRC and the 300 PRC has always been long-range precision shooting."
Hope pasting this is not some sort of copyright issue. If so Len, remove it.