Well It seems that there is a split down the middle as to the SWC casts working , I would say try them and if they dont want to work with you ... Then leave them for the wheel gun and buy up some RNFPs (round nose flat point) and you shouldnt have any issues ... I use missouri bullet companys 250gr RNFP lead in my Uberti (brass) 45lc lever and wheel gun with no issues at all ... And i have the same style bullet from hunter's supply 240 gr RNFP for my 44 mag again no ill effects from rifle or revolver ... Accuracy is great from all 4 weapons .. In my Winchester 94 AE 357 mag i havent gotten around to using lead yet , though that is just a matter of time ... point being that the cost of lead is such that you have the freedom to get what works with out killing the bank book ....
These are some of the listings i have for multiple refferences.
Lee Reloader Manuel lists the 158 lead and unique @ 6.2 start - 6.8 max
Hornady lists in their rifle section a loading for for unique and a 158 gr lead @ 3.7 start - 5.3 max ( this is the lowest powder/velocity loading i have, and it might be for the lead bullets that hornady offers , them seem softer them my other leads)
RCBS lists rifle data, a unique and 159 gr lead @ 6.2 start - 7.2 max
Hope this helps you out. Good luck with it and be safe ,
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