The 45-70 Round: A Timeless Legend in Modern Ammunition

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, thisbig-bore round has evolved from a blackpowder military staple into areliable survival tool. Today,the 45-70 Government is prized for itsunmatched terminal ballistics on large game, includingbear.Performance and BallisticsWhat makes the45-70 round unique is itsability to be loaded for different firearms. In modern lever-action rifles like theHenry Big Boy,45-70 ammo can be loaded tofull-power levels, deliveringtremendous knockdown power. Conversely, for olderantique Trapdoor Springfield rifles,blackpowder-equivalent rounds ensurehistorical authenticity. Thecommon grain ranges from300 to 500 grains, withmuzzle velocities between1,200 and 1,800 feet per second.Hunting and Practical UseFor themodern hunter,the 45-70 round excels inthick timber. Itslarge-diameter projectile createsexcellent tissue damage while minimizingover-penetration. Manycustom ammunition makers appreciate thecartridge's versatility, allowing them todevelop subsonic rounds. Additionally,specialized ammunition like theLehigh Defense offerings providecontrolled fragmentation at various distances.Availability and ConsiderationsWhilethis caliber is not ascheap as popular rifle rounds, it remainseasy to find from 45-70 round major manufacturers likeFederal. Prices fora box of 20 typically range from$30 to $60 per box. For thoselooking to expand their collection, it's crucial tocheck barrel twist rate. Whether used forhunting, the45-70 ammo remains abeloved classic that bridgestraditional design with modern technology.