7mm Wby Mag 146gr Hammer Hunter update (26" factory 1:10 twist barrel)
IMR-4831 CCI-250 Primers 2.89" CBTO
72.0gr 3317fps
72.5gr 3355fps
73.0gr 3399fps with stiff bolt and slight ejector mark (stopped here)
IMR-4831 CCI-250 Primers 2.89" CBTO
72.0gr 3317fps
72.5gr 3355fps
73.0gr 3399fps with stiff bolt and slight ejector mark (stopped here)