Buffalo bore offers 45-70 ammunition that is externally identical to saami spec 45-70 ammo, but internally it generates far more power and pressure.So, their 45-70 ammo will fit into any 45-70 firearm, but is not safe in every 45-70 firearm.Its use should be limited to the following firearms: all marlin 1895 (1895 marlins are all model 336 actions, chambered in 45-70) iterations made since 1972, all browning 1885 and 1886 copies, rossi rio grande, new england arms handi rifle, t/c encore, all falling block actions made of modern steel such as ruger #1 and #3, shiloh, christian and persoli sharps, all winchester 1886 iterations made since 1915 and all siamese mauser bolt actions.Caliber: 45-70 GovBullet Type: Semi-Jacketed Flat Point (SJFP)Bullet Weight: 350 grMuzzle Energy: 3591 ft lbsMuzzle Velocity: 2150 fpsRounds Per Box: 20Boxes Per Case: 12Application: Hunting,TargetCasing Material: BrassHazair: YesAmmunition cannot be shipped to a P.O. Box, please use a physical address during checkout. For restricted state buyers (CT, IL, MA and NJ), please email a copy of your state's credentials, and a photo ID along your order number to ffl@firearmsdepot.com&nbsin 5 business days to avoid cancellation and refunding your order. For California and New York buyers, please have your dealer email us a copy of their FFL or Ammo Vendor License along with your order number to ffl@firearmsdepot.com within 5 business days to avoid cancellation and refunding your order. Your order will not ship without us receiving this information. Thank you for your cooperation