cci primers

[10bruce]

I have a .223 and a .204 that I load. Both are extremly accurate in my eyes, both shoot right at .500...I have always used cci br4 primers...... If I change to #400 primers will I see a change in accuracy.......

[stimpylu32]

I have a .223 and a .204 that I load. Both are extremely accurate in my eyes, both shoot right at .500...I have always used cci br4 primers...... If I change to #400 primers will I see a change in accuracy.......

Any time you change a part of the load you may see a difference in how it shoots , also there is a real good chance that your pressures will change , so to be on the safe side you may want to back the load off by around 5% and start over working up a load .

I really doubt that you will see much difference between the 2 primers as they are both CCI's but you just never know for sure .

stimpy

[Graybeard]

Maybe maybe not. I personally use only CCIBR4 in mine.

[wncchester]

"...I have always used cci br4 primers...... If I change to #400 primers will I see a change in accuracy......."

Goodness.  Now where did I put that component accuracy foumula....