Originally Posted by Bearcat74
No clue on the Nosler #7 but I'm shooting 47.5grs H4831 with the 120 Partition from my Ruger Ultralight 257 Roberts with no signs or symptoms and great case life.


Nosler #5 shows a max load of H4831SC at 50.5 gr. for a case fill percentage of 89% using the 120 gr. Partitions in th 250 AI chambering.


as ready on the right states, be careful.

Best,

GWB

Last edited by geedubya; 09/01/14.
A Kill Artist. When I draw, I draw blood.