(09-14-2014, 06:50 PM)Mike Wrote: Eric, I have one .50/70, a 30" round barreled '74 Sporting Rifle by C. Sharps Arms and I have another one on order from the same maker with a 26" half-octagon barrel. For a grease-groove bullet I like the Lyman-Ideal 515141 and I just got an older "Ideal" marked mold that has the square lube grooves. I'll give that bullet a real workout soon, powered with 65 grains of Olde Eynsford 2F. My thought is that the square lube grooves will carry more lube, probably not necessary. And for a paper patched bullet I like #50-470T by Accurate Molds. With 16-1 alloy that bullet weighs very close to 473 grains, the weight of the old original for both the 50/70 and the .50/90. With the paper patched bullet I use 70 grains of Olde Eynsford 1 1/2F and I do hope to hunt with that load this fall.
Saw that Accurate tapered mold and it look's like it would work nicely. Using the Lyman 515141 I noticed some recovered bullets exhibited lead finning around the base When sizing down to .512 I filled the lube grooves with lube and still got distortion on the bands. This is when I went to the .510-.511 bullets. They are shooting nicely in my Shiloh barrel. Have 60 cases to anneal and reload for further testing. Will get out again later this week and drag the 45-70 Roughrider along too.
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