I am converting from Triple seven pellets to Blackhorn 209. and have conflicts with book values for 295 and 270 grain 50 caliber Powerbelt bullets in increments to 100 yards
using 80 and 100 grains of 209
The charts I have suggest that at equal MV of two Pyrodex pellets will equal 100 grains of 209 and that does not seem correct.
2X50 grain Pyrodex pellets with a 270 grain bullet =MV 1790 from Powerbelt info
100 grains of 209 = MV1764
2X50 grain pellets with a 295 grain= MV 1670
100 grain of 209 with 295 grain bullet = MV 1683
Since the 209 folks only furnish velocities and not trajectories I am assuming that the same MV will give similar trajectories.
what are your experiences?
Thanks for any help
montveil in the NC mountains
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