Using Hornadys 300gr XTP Mag using W296 32gr is max Rem 6 1/2 primer, lee factory crimp. Aim small hit small. RAMbo.
P.S. Hornadys powder manual has this load using the 300gr XTP HP/XTP Mag. Varois powders used, H110, Lilgun etc...can't remember them all.
LFP 30.0 gr w296 1,560 fps CCI SR guest
100 yard 18 shot’s 4"group Oregon trail .454 good hot load
JSP 29.5 gr Win 296 1,600 fps Winchester
Suggested starting load: 26.6 gr
Pressure: 38,000 PSI
JSP 31.5 gr Win 296 1,750 fps Winchester
Suggested starting load: 28.4 gr
Pressure: 50,000 PSI
XTP 29.5 gr ww 296 1,600 fps max" SR guest
very acc. load