The.45-70 Government cartridge is one of the most enduring and versatileloads in firearms history. Originally developed in 1873 for theSpringfield Model 1873 Trapdoor rifle, thisheavy-hitting round has evolved from a blackpowder military staple into aversatile sporting cartridge. Today,45-70 ammo is prized for itsimpressive energy transfer 45-70 round on large game, includingbear.
Performance and Ballistics
What makes the45-70 load unique is itsability to be loaded for different firearms. In modern lever-action rifles like theHenry Big Boy,the 45-70 Government can be loaded tomodern SAAMI specs, deliveringsubstantial kinetic force. Conversely, for olderoriginal 1873 rifles,low-pressure loads ensuresafe operation. Thestandard projectile ranges from305 to 405 grains, withmuzzle velocities between1,100 and 1,900 fps.
Hunting and Practical Use
For thebig-game enthusiast,this cartridge excels inthick timber. Itssubstantial mass createsexcellent tissue damage while minimizingpass-through. Manycustom ammunition makers appreciate theround's reloading potential, allowing them totune loads for specific rifles. Additionally,specialized ammunition like theLehigh Defense offerings provideexceptional expansion at various distances.
Availability and Considerations
Whilethis caliber is not ascommon as 9mm or .223, it remainsin steady production from major manufacturers likeRemington. Prices fora box of 20 typically range from$30 to $60 per box. For thosenew to the caliber, it's crucial toverify pressure ratings. Whether used fortarget shooting, the45-70 round remains alegendary cartridge that bridgesthe gap between past and present.