Posted: 1/3/2020 9:06:33 PM EDT
Test Gun: FN Baby Browning Barrel length: 2.11 inches. Ammunition: Hornady .25 ACP 35gr XTP. Test media: 10% Clear Ballistics Gel. Distance: 10 feet. Chronograph: Caldwell Ballistic Precision Chronograph G2. Five shot velocity average: 751fps Gel Temperature 70 degrees. In this test of the .25 ACP I tried out the Hornady 35gr XTP. I got a five-shot average velocity of 751fps with a high of 791fps and a low of 714fps. I had one failure to feed when shooting the five-shot group and it set the bullet back. So I ended up with a 4 shot group. 
Four shots at five yards offhand. The first shot in the bare gel had a velocity of 805fps and penetrated to 10.5 inches. I actually got some expansion with this bullet at .31 inches. The recovered weight was 34.8 grains. The second round’s velocity was 729fps and it penetrated to 16.25 inches. There was no expansion and the recovered weight was 34.8 grains. 
The two bullets in the heavy clothing gel had no expansion and both penetrated to 10 inches. The first bullet’s velocity was 765fps and the second was 725fps. Weight of the two bullets was 34.7 and 34.8 grains. 
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| I can't imagine there's enough horsepower in the .25 ACP to both reliably expand & penetrate to 12". .380 ACP barely does it, and .32 ACP is a FMJ caliber. |
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Originally Posted By backbencher:
I can't imagine there's enough horsepower in the .25 ACP to both reliably expand & penetrate to 12". .380 ACP barely does it, and .32 ACP is a FMJ caliber. |
