pamtnman,
The "hangtag" target that came with my 7x57R showed it had been sighted for the 11.2 gram bullet and I think this was pretty common practice. It seems yours was proofed for the 139 grain steel jacketed bullet. I mostly use the 11.2 gram HMK with complete satisfaction. You should use which ever load gives the best groups and a POI that is useable with Brennekes.
Mike
Mike, the 2.5" Brennekes print high even at 100 yards. The 139-grain is perfect for eastern deer and black bear. My first deer gun was a 1893 Spanish Mauser in 7x57, which I still have, and it shot the 175-grain round nose very well. I bought it from another kid at age ten, on our front lawn, without any grownups present, for thirty bucks. It killed a lot of deer. I really like the 7x57