Gel test: 10mm 180gr XTP @ 1,290 fps gelatin test

180 gr XTP over 11.8gr of AA#7, 2.255" COL, at a measured impact velocity of 1,290. Penetration is 13.25". It exited the first block and went a about an inch and a quarter into the second block. Next time I'll have to cut the blocks even so there is no air space between them. I don't know how much, if any, effect that has. You can see that this bullet fragmented a bit. I was going to weigh the recovered fragments, but the piece you see in the on picture got left out there. Sorry. Maximum expansion is 0.898" and minimum is 0.636". Retained weight is 174.8 gr.

BB cal was 586.4 fps and 3.5". Nominal is 590-610 fps and 3.25"-3.75".

Shot was through four layers of denim from an EAA Witness, 4.5" barrel.
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