I took apart my 45-70 RCBS expander and was able to completely expand and flare the 458 brass with it by removing the set (lock) nut.
Best I can tell, the RCBS expander is slightly larger than the Lee, it's also a lot slicker feeling and easier to use.
I am getting another sizer (like Duke said) but I'm not sure yet if it will be .458" or .459".
If the ring shaving persists, I will devise a better way than a sand trap to retrieve the bullets to see where it's coming from.
Last edited by tsubaki; 06-18-2019 at 01:30 PM.
Benny
223 Rem, 7mm Rem Mag, 30 Carbine, 300 AAC, 30-30 Win, 308 Win, 30-06 Spr, 303 Brit, 458 SOCOM, 45-70 Govt.
25 ACP, 32 S&W Long, 38 Spl, 357 Mag, 44 Spl, 44 Rem Mag, 45 ACP, 45 Colt, 454 Casull.
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| C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
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