CCI BR primers VS Fed Gold Medal

27 February 2003, 04:28

I have noticed a LOT of you guys are using CCI BR primers. I aquired 1000 fed GM magnum and large rifle primers last year, justto have high quality primers on hand for other calibers. My question is,......what do you all use (I am getting ready for load developement on my 220 swift HB 1:14). Do the BR primers make a big difference?

How is the accuracy compared to GM?

Is there a pressure issue?

burn time issue?

I don't mind buying more stuff [Big Grin]

, so I am asking those of you have used both types for your experiences with them.

Thanks

27 February 2003, 07:23

Bigdaddytacp

quote:
Originally posted by JustC:
I have noticed a LOT of you guys are using CCI BR primers. I aquired 1000 fed GM magnum and large rifle primers last year, justto have high quality primers on hand for other calibers. My question is,......what do you all use (I am getting ready for load developement on my 220 swift HB 1:14). Do the BR primers make a big difference?

How is the accuracy compared to GM?

Is there a pressure issue?

burn time issue?

I don't mind buying more stuff , so I am asking those of you have used both types for your experiences with them.

Thanks

I have and do use both...the differece is on a load and gun for gun basis.....I have had loads that didn't care which was used and I worked the loads up with each..other loads in very accurate guns liked the CCI BR and a different one liked the FED. ...the BR primers are supposed to be made by...take your pick.....the employee that has the best quality control record.....the machine with the newest dies and compound nozzles.......with cup material that is specially selected for consistant qualities thru the production run lot......I've seen and heard all the above in various gun rags and tall tales at the shows and any and/or all of them may be true or false.......in MOST non benchrest quality gun/chamber/loads the primer doesn't make as much difference as other factors in the gun/load......in auto guns/loads the primer cup strength makes a difference in safety and fuction avoiding slamfires.....just be sure to drop back and work back up when changing primers in case yours is one that has a specific preference....as to hot and durration ratings...Mic McPherson and others have published articles on this but seldom agree on the exact order similar to powder burnrates changing by lot and charge amount...HTH...good luck and good shooting!!

27 February 2003, 07:55

Zedman

The only way to know for sure, with your rifle is to try both. Compare apples to apples. Start 5% below the book max. and use each primer and fire three shot groups for accuracy and examine and measure head expansion on each. If you have a chronograph or can borrow one that much better. As long as expansion is acceptable increase .5 grain and try it again. The gun will soon let you know which it likes best.

Good Hunting, "Z"