The Firing Line Forums - View Single Post - New Uberti Trapdoor Springfield Cartridges

radom · February 17, 2013, 06:24 AM

You need to see if its proof spec for a 45-70 if they are its 28,000 PSI loads so they may work. A original gun sure 17-19 PSI but a new one is proffed at like 52,000 PSI to shoot most anything but ruger loads.

February 17, 2013, 06:24 AM	#4
radom Senior Member Join Date: January 21, 2000 Posts: 1,353	You need to see if its proof spec for a 45-70 if they are its 28,000 PSI loads so they may work. A original gun sure 17-19 PSI but a new one is proffed at like 52,000 PSI to shoot most anything but ruger loads.