Re: The 7mm rhb. Fast fast fast!
89, the case is 2.555 in length, .015 total taper w/35* shoulder. Case cap. is 94grs of water at the base of the neck.A little less than an STW (2grs I think)
Easy method for brass is 300 Dakota brass necked to 7mm then improved to 40*. It will be similar in capacity.
Rem. action ,Shillen XXX #4 contour
match barrel w/1 in 11" twist, Shillen Trigger, Tubbs speedlock firing pin assembly, Zero laminated stock, KG coated barreled action.