does anyone have the sierra load data for 300 winmag 220 matchkings? any help would be greatly appreciated
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sierra load data
- Thread starter sgtusmc_nc
- Start date
Re: sierra load data
OP, did you get what you need? I have the new Sierra book as well if you need anything. Its WAAAY conservative though, IMHO.
OP, did you get what you need? I have the new Sierra book as well if you need anything. Its WAAAY conservative though, IMHO.
Re: sierra load data
I have found sierra's loading data to be very conservative also. However I do use there data alot to get a safe starting point and work my way up to the max my chamber will allow.
I have found sierra's loading data to be very conservative also. However I do use there data alot to get a safe starting point and work my way up to the max my chamber will allow.
Re: sierra load data
Currently IMR 4320 is my load for that bullet. I'm using Hornady match cases and Winchester LR Magnum primers.
Currently IMR 4320 is my load for that bullet. I'm using Hornady match cases and Winchester LR Magnum primers.
Just started loading some 220 SMK for my 300 using a 1-9 twist bartlein barrel. anyone have any experience with the same setup they would like to share?
