#49MT 54 cal. double cavity brass mold, one cavity round the other oblong, large wooden handles, 6 1/2” overall, probably for one of the Civil War Carbines, exc ... I used in my old TC System One with the 54 Caliber Barrel and 209 Conversion. I have and build many Extreme Long Range Smokeless Muzzleloaders in my Company Bayou Advanced Weapon Systems, LLC. area318.com — and despite building Smokeless Muzzleloaders for a living I still love shooting big, heavy and accurate bullets at sub 1,500 fps. Jul 31, 2012 · Sound's like a plan. I noticed that Jim was using .454 conicals. The Lee mold states that their combo mold puts out .457 in both RB and conical. The ring on the RB is hard enough to get, but now imagine that same diameter for all the bearing surface of their conical. I don't know why Lee chose .457 for the conical. 9mm Cast Bullet Mold Vtg. Lyman # 557489 Sharps Carbine 54 Cal. Ringtail Bullet Mold W/Orange Box NoR For Sale. This item has been viewed 0 times. Vtg. Lyman # 557489 Sharps Carbine 54 ...