Firearm : US M-1 Carbine with 18" barrel length Ammunition : Federal 110gr Power-Shok SPRN Block calibration : All depths corrected (From 10.6cm @ 597 ft/sec) Shot fired from a distance of 10' between the muzzle face and the front face of the rifle-size gelatin block. Shot 1 - Federal 110gr Power-Shok Soft Point round nose (part # 30CA). Impacted at 1954 ft/sec, penetrated to 15.0" and exited the rear face of the block. Bullet was recovered at unknown distance in a polyester bullet arresting box. Recovered average diameter was 0.461".