9mm chrono data
Posted: Mon May 24, 2010 10:59 pm
Just for fun, I chrono'd an American Derringer M1 in 9mm, with a 3" barrel.
Load: 147 JHP over 5.0gr power pistol.
data: 925, 924, 894, 903fps
4 rounds was about enough for one session :-0
Load: 147 JHP over 5.0gr power pistol.
data: 925, 924, 894, 903fps
4 rounds was about enough for one session :-0