President T Roosevelt really loved his Lever Action 1894 Winchester guns for shooting, hunting & his home - outfitted with a Suppressor used for Varminting....
The bullet was to have four Lube Grooves with no Crimp Groove so it would carry the needed amount of lLbe for Shooting without Wiping between Shots....
The science of Ballistics has been evolving - in 2020, you’ll see all of the bullet designs still on the market, and doing well, each for its own reason. ...