One of the older 6.5's, a 6.5x58R Sauer, I have to make brass from the 9.3x72R, the case on the right, 243Win on left.
Drilling built in 1926, still shoots sub MOA groups with 90 Speers and smokes coyotes. I use it mainly when hunting thicker country 1oz of NP BB's in the shotgun barrels.