LabRadar

[JKR]

I’ve been testing loads with a LabRadar lately. Very interesting results. One thing that I’ve wondered about was how much velocity was gained by using a bore sized PP bullet compared to an identical weight GG bullet in the 45-70.
With a 530 grain patched bullet and 83 grains of Swiss 1 1/2 the average velocity was 1328.
With the same weight GG bullet and 67 grains it was 1226.
Extreme spread for 10 shots was 13 and 11 FPS respectively.
The LabRadar is a pretty cool tool.
JKR