In the 1980 test the Winchester +P 158 grain lead SWC-HP gave this performance.
2 inch barrel:
MV 830fps
ME 242 ft./lbs.
4-inch barrel:
MV 962 fps
ME 325 ft./lbs.
8 3/8-inch barrel
MV 1051 fps
ME 388 ft./lbs.
The 1980 test of the Super Vel.
4-inch barrel:
MV 1237 fps
ME 376 ft./lbs.
8 3/8-inch barrel:
MV 1319 fps
ME 425 ft./lbs.
200 grain Remington lead round nose load with 9.5 grains of 2400. In July of 1980 this load produced the following performance.
4-inch barrel
MV 842 fps
ME 313 ft./lbs.
ES 38
8 3/8-inch barrel
MV 922 fps
ME 382 ft./lbs.
|