Pulled out my Big Book of Gun Gack and JB has the following 7X57 160 gr loads. 156 gr Norma Oryx, 160 Barnes TSX, 160 Northfork SP, 160 Nosler Partition and 160 Sierra Gameking all using 46 gr of H4350. The only issue would be if the Swift bullet is grippier than those listed above and would...