Penetration of 30 cal rifle round

Though it's an underpowered cartridge on paper by modern standards, the Carbine is still very capable under the appropriate conditions. With good bullets and proper shot placement, the little Carbine is a great cartridge for big game hunting and self-defense applications.

25 May Cartridge, Caliber, Armor Piercing, M2 TM M2 AP. Penetration, fired at 7/8-inch ( mm) thick homogeneous armor plate at yards (91 m), will be not less than inch ( mm). The cartridge is identified by a black bullet tip. Type Classification: OBS - MSR

24 Jun Find out what exactly is the M2 AP "Black Tip"? Is it armor piercing, how does it shoot in rifles, and can you reload it into rounds?.