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New to this forum, need some help
I tried loading for a 300 Whisper Contender barrel made by SSK. I am using a set of Redding dies 300/221. I have been able to chamber a piece of brass without any difficulty. After loading and seating a Sierra 125 gr prohunter, I cannot close the action on the Contender. I am down to an OAL of 1.900 which seems to be below the max OAL of 1.915 from the loading manual. I cannot adjust the dies to seat any lower than this as I have run out of adjustment. What gives here? Thanks in advance for your expertise and help.
Rich
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