The45-70 round 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 aversatile sporting cartridge. Today,45-70 ammo is prized for itsimpressive energy transfer on large game, includingbear.
Performance and Ballistics
What makes the45-70 round unique is itsflexibility across pressure levels. In modern lever-action rifles like theHenry Big Boy,the 45-70 Government can be loaded tohigher pressures, deliveringover 2,000 foot-pounds of energy. Conversely, for olderantique Trapdoor Springfield rifles,low-pressure loads ensurepreservation of the firearm. Thetypical 45-70 ammo bullet weight ranges from325 to 450 grains, withinitial speeds between1,200 and 1,800 feet per second.
Hunting and Practical Use
For thebig-game enthusiast,the 45-70 round excels inthick timber. Itssubstantial mass createsa massive wound channel while minimizingrisk to bystanders. Manyreloading enthusiasts appreciate theround's reloading potential, allowing them todevelop subsonic rounds. Additionally,specialized ammunition like theLehigh Defense offerings providereliable performance at various distances.
Availability and Considerations
Whilethis caliber is not ascommon as 9mm or .223, it remainswidely available from major manufacturers likeWinchester. Prices for45-70 rounds typically range from$1.50 to $3.00 per round. For thosenew to the caliber, it's crucial tomatch ammunition to your rifle's action. Whether used forpersonal defense, the45-70 round remains abeloved classic that bridgesthe gap between past and present.