Bullet seating issues 30-30

[ELR LVR]

Well i dont know how that worked but maybe my die was set too deep? According to the lee die setup instructions it asks you to screw the die to the shell holder plus an additional 1/4 turn but it seems that backing off a 1/4 turn is what it needed?

plus an ADDITIONAL 1/4 turn??? :O ----after bottoming out? ---- for a SEATING DIE?
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That may be true for the SIZING DIE just to ensure camover/shoulder bump
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but for a seater it dont need to be even touching a shellholder at all
, you can likely be a full turn or even more out from bottomed out
Glad you got it figured out though
Looked like the case was bottoming out inside the die, which will of course - Shorten the case
Physics
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If you are wanting to crimp bullets, keep the crimp clear of the neck while performing the actual seating process
Live and learn, its alright

 

[Oldbloke]

chamfer and a touch of lube

 

[DHD]

Someone else mentioned the M Die. A more refined expander would be a NOE expanders. It is a 2 step expander (2 different diameters) and will allow you to set a flat base bullet into the top of the case straight. I use them for all my revolvers and also for 300BO. They will not fix trying to seat and crimp at the same time though.

That said, I have been told NOE is going out of business, but a family member will continue the expander part of the business.