Short Range Media Penetration by 50 BMG AP Rounds 50BMG penetration Table From "The Ultimate Sniper" by Maj. John L. Plaster, USAR (Ret). page 222 50BMG penetration Table From "The Ulimate Sniper" by Maj. John L. Plaster, USAR (Ret). page 222 Short-Range Media Penetration by .50 Cal. AP rounds Medium / Penetration @ 100 yrds _____________________________________________________________ CONCRETE (solid) 9 inches TIMBER (logs) 96 inches !!!!!!!! STEEL (nonarmored) 1.8 inches ALUMINUM 3.5 inches RUBBLE (asphalt, soil, cement) 20 inches TAMPED SNOW (19.9-24.9 lbs/cu ft) 77 inches DRY SOIL 28 inches WET SOIL 42 inches DRY SAND 24 inches WET SAND 36 inches DRY CLAY 42 inches WET CLAY 64 inches Please also see this: 50 BMG Ammo Identification Chart | Survival Monkey Forums