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Andrew Wiggin · November 14, 2014, 10:39 AM

Link to video of test

69 gr Nosler HPBT loaded over 23.4 gr IMR 8208 and fired from 19.5" AR with Surefire FA556AR silencer into calibrated 10% gelatin.

BB: 592.2 fps, 3.3"

Impact velocity: 2,743 fps
Penetration: 13.1"
Retained weight: 26.9 gr
Max expansion: 0.557"
Min expansion: 0.375"

November 14, 2014, 10:39 AM	#1
Andrew Wiggin Senior Member Join Date: December 22, 2012 Posts: 516	.223 gel test: 69 gr Nosler HPBT Link to video of test 69 gr Nosler HPBT loaded over 23.4 gr IMR 8208 and fired from 19.5" AR with Surefire FA556AR silencer into calibrated 10% gelatin. BB: 592.2 fps, 3.3" Impact velocity: 2,743 fps Penetration: 13.1" Retained weight: 26.9 gr Max expansion: 0.557" Min expansion: 0.375"