From Starline Web Site
The 6.5 Creedmoor was designed as a target caliber in 2007 by Hornady but has become an extremely popular hunting caliber as well. While it isn't as long as some of the other 6.5 caliber short action calibers, such as the .260 Remington, the Creedmoor utilizes a 30° shoulder and very little body taper to help it achieve similar ballistics. The shorter length also gives it more versatility as far as bullet seating depth is concerned. Almost every major rifle company offers either a bolt-action rifle or a modern sporting rifle in the 6.5 Creedmoor due to its versatility and inherent accuracy.
Our 6.5 Creedmoor brass uses a Large Rifle Primer with a standard flash hole of 0.080". This is the standard for this round and it is what many prefer due to its reliable ignition no matter what temperature you are shooting in or the burn rate of your powder. For the Small Rifle Primer version, please see our SR 6.5 CM case.
