Philbo,philbo wrote:Hornady has made the claim that the 140-grain Leverevolution gets 1850 fps and 1064 lb-ft from an 18″ carbine. Velocity from a 20" barrel may not be much different, especially if they are using a fast burning propellant designed to burn in a shorter barrel. Of course one gun isn't always equal to another and short of running a chrono with your rifle it's only a guess.
https://www.ballisticstudies.com/Knowle ... agnum.html
Thanks, appreciate it.
Crash