Thread: Going from a super swede to a 45-70gov

Originally Posted by mimms

What is 300gn "underpowered" for??

The factory 45-70 ammo is pretty slow only loaded to 28000psi SAAMI spec, since there are still a lot of trapdoor rifles around in the states. Real world velocities are in the range of 1600 - 1700fps depending on barrel length. They are underpowered in the sense that you can get velocities as high as 2400fps (300gr projectile) with hand loads.

To answer the OP yes for the last 5 years or so, has been very effective out to 150yds which is the furthest I've shot an animal with it. Recoil is pretty stout once you start shooting to marlin and Ruger velocities. My rifle shoots all grain weights well but loves the 400gr Speers.