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Need recommendation - I had to change primers

emp1953

Well-Known Member
Joined
Sep 29, 2013
Messages
819
Location
NJ
All of my load development has been done using CCI200 primers. Due to being unable to purchase any of these in nearly 3 years I searched elsewhere and found Remington 9 1/2's and stocked up. Are the 9 1/2's similar to the CCI200, or hotter or what do you think? Any temperature performance changes to be aware of? I don't want to throw a known load/charge combo together with the new primer only to run into a pressure issue. I know I will have to develop new loads but I was hoping to use my old loads as a starting point.
 
Anytime you change a primer its not gonna shoot the same. You need to do a full load work up.
 
emp1953,

Changing primers is the last thing I do to finalize a load; unless I so Lee Factory Crimp. I don't change anything except the primer. I discovered on never knows which primer his rifle will like until he tries them.
 

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