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Black Hills 77 gr Sierra Tipped Match King fired from 11.5" and 16" barreled AR pattern rifles into calibrated 10% gelatin and water jugs.
BB: 597.3 fps, 3.6"
11.5" barrel results:
Impact velocity: 2,572 fps
Penetration: 14.2"
Retained weight: 32.8 gr
Max expansion: 0.543"
Min expansion: 0.312"
Neck length: 0.7"
TSC: 3" x 7"
16" barrel results:
Impact velocity: 2,775 fps
Penetration: 13.1"
Retained weight: 39.2 gr
Max expansion: 0.581"
Min expansion: 0.335"
Neck length: 0.6"
TSC: 2.5" x 7.5"
On the water jug portion, the bullet passed completely through two jugs and dented the far wall on the third jug for a total penetration of 18" of water. The first jug was literally split in two separate pieces, which were both thrown well away from the table. The bullet left a lot of fragments throughout the remaining jugs.
Black Hills 77 gr Sierra Tipped Match King fired from 11.5" and 16" barreled AR pattern rifles into calibrated 10% gelatin and water jugs.
BB: 597.3 fps, 3.6"
11.5" barrel results:
Impact velocity: 2,572 fps
Penetration: 14.2"
Retained weight: 32.8 gr
Max expansion: 0.543"
Min expansion: 0.312"
Neck length: 0.7"
TSC: 3" x 7"
16" barrel results:
Impact velocity: 2,775 fps
Penetration: 13.1"
Retained weight: 39.2 gr
Max expansion: 0.581"
Min expansion: 0.335"
Neck length: 0.6"
TSC: 2.5" x 7.5"
On the water jug portion, the bullet passed completely through two jugs and dented the far wall on the third jug for a total penetration of 18" of water. The first jug was literally split in two separate pieces, which were both thrown well away from the table. The bullet left a lot of fragments throughout the remaining jugs.
