Well I just ordered 300 pcs of that brass and resurrected my 243 WSSM project because of that !
I have a 26" 8 twist Bartlein in 2B contour I got for my 243 Wolf Killer wildcat but reamer is 2 months out so I'm using it for the 243 WSSM
I don't mind long barrels and will leave it at 26"