Your 7 blaser Rogue is pretty much a 7lrm(86-87gr capacity) a great place to be for a 7mm, right about 7wby area as well. Now that 7lrm brass made by adg for gunwerks is available, I'll likely build another.I have not measured my fired cases, but I believe it is 3-4grains more than unfired. 500 pieces will last me a long time for what I do. Will be talking with T/S after Christmas about a 6.5 version. Extremely happy with my 7mm.