I just finished my 11'brl. Using an 8twist shilen. Just calculating gas port. Running a pistol lenght system. I trim BR the case to an oal of 1.4 & the Hornady 225g Spire point when seated to the grove, 2.255oal drops right into the 6.5Grendel mag. I need to get some 300g 338SMKs & see how they seat in the case. Everything seems to point to this working