9mm chrono data

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ghostrider
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9mm chrono data

Post by ghostrider »

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
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