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Cartridge : PMC Silver line 150gr. Sierra Gameking SP (Load # 308HA)
Firearm : Roller-delayed rifle with 18.0" barrel length.
Calibration : 7.7 ± 0.05cm and 599 ± 0.500 ft/sec impact velocity.
16.0 ± 0.031”+ penetration through block, embedded 7.0 ± 0.031” deep into polyester-filled arresting box
0.650 ± 0.0005” final average diameter
Permanent cavity measured at its smallest extrema at 11.5 ± 0.031” depth and 3.5 ± 0.031” magnitude
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