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Scorch · October 27, 2009, 08:37 PM

Since that is a Colt replica, you have to stick to Colt revolver loads. Hornady lists 7.0 gr of Unique as max with a 255 gr lead bullet yielding 850 fps. Speer shows 8.5 gr of Unique with a 250 gr lead bullet yielding 898 fps. Lyman lists 9.0 gr of Unique with a 250 gr cast lead bullet, yielding 875 fps, but they used a Ruger Blackhawk. They do seem a bit on the warm side. It may not frag the gun, but it will batter it for sure.

October 27, 2009, 08:37 PM	#6
Scorch Senior Member Join Date: February 13, 2006 Location: Washington state Posts: 15,249	Since that is a Colt replica, you have to stick to Colt revolver loads. Hornady lists 7.0 gr of Unique as max with a 255 gr lead bullet yielding 850 fps. Speer shows 8.5 gr of Unique with a 250 gr lead bullet yielding 898 fps. Lyman lists 9.0 gr of Unique with a 250 gr cast lead bullet, yielding 875 fps, but they used a Ruger Blackhawk. They do seem a bit on the warm side. It may not frag the gun, but it will batter it for sure. __________________ Never try to educate someone who resists knowledge at all costs. But what do I know? Summit Arms Services