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Primer question?

rdgshooteer

Sergeant
Full Member
Minuteman
Jun 30, 2006
170
1
44
Lewistown, PA
I just back from the range for zeroing and load work up since I just started reloading. I had a box of Horandy Match 168gr for zeroing all rounds feed and fired with no problems. After getting zeroed I wanted to test my first batch of reloads to see which powder charge worked best. The issue I noticed I had with reloads was it would take twice to fire them. I loaded the first round and fired nothing. Ejected round seen the primer had been struck. I decided to put it back in the gun and try again it fired. Almost all of the reloaded rounds where like this with the exception of two that fired on the first try. I am thinking maybe I didn't seat the primers deep enough? I also had one round that would not allow the bolt into battery. The bolt would close all the way but would not go down. All rounds were loaded at the same time with the same dies and no adjustment. It was all new unfired lapua brass with CCI primers and either 175 SMK or 155 scenars loaded over different charge weights of Varget. The rifle is a Gen 2 Badger M2008 I know the Gen 1s had the issue with light primer strikes I dont think that would be the issue do to not having any issues with the Factory loads. Any ideas what it could be so that I can learn for next time. Also one round would not fire what so ever.
 
Light primer strikes. Depth shouldn't really be an issue but it wouldn't help if they weren't fully seated.

Try different primers. Maybe those are too hard for your firing pin to set off.
 
Switch to Winchester primers cci are generally a lot harder. Bet your prob will go away primer seating depth shouldn't matter so much unless not seated all the way that can cause it to flow
 
Question is, after you seat your primers are they sitting level or just a bit below the base? If you can see or feel the primer is up you definitely need to seat them deeper. As far a s a light primer strike, I had a Rem 7400 in 6mmREM that left nary a indent on the primer and they always went off. What are you using to seat these primers?
 
Thank you guys for the quick response. Ill pick up other primers then. I didnt know that CCI primers were harder than others. Now I just need to figure out what to do with the other 950 primers. LOL
 
1) Primers not seated deep enough. The first firing pin strike seats the primer, second fires the round.

2) To much headspace/too much shoulder bump. Firing pin pushes round deeper into the chamber, second may fire it.

3) Light firing pin hit, too light of a spring or cold temps gumming things up

I would be concerned if the firearm worked with soft primers, but not with harder ones. It should work with any.
 
When I seated them they looked level with the base when looking at them from the side eye level. I used a Rock Chucker Press to seat the primers. It could be number 3 on Pinecone's list too. I had been out at the range for about an hour or so before I started firing them and the temps were in the mid 30s and it started snowing while I was shooting them. Plus I had everything sitting out in the garage prior to loading in my truck while I got ready.
 
There has been several post on here lately about CCI primers including me on misfires.My primers also measured incorrectly and some seated loosely.I contacted CCI and after a week of conversing and doing as they asked they asked me to ship the primers back and they would pay for shipping.The only problem is,I live 40 miles from the closest UPS hub.I payed $37.00 for the primers and needed to drive 80 miles round trip to ship them back.They did say they would replace them but you do the math.Only the CCI BR2's have a harder cup not the regular one's.I hope you figure out your problem.I will dispose of mine properly and never buy them again.
 
I have fired thousands upon thousands of CCIs and never had a misfire. I'm betting it's not the primers. You're probably experiencing one of the three reasons Pinecone stated. I've heard of them misfiring because of a weak pin spring too.
 
Below is an exaggerated example of a seated primer with a slight primer crush, if the anvil is not touching the base of the primer pocket the primer may fail to go off due to the softened blow to the primer as it moves forward. Also military primers are to be seated .008 below the base of the case.

Boxer-Primer_zps2da9c2c8.jpg


Below, left center of drawing is primer seating depth.

m14chamber_zps93174da1.jpg
 
Make sure you have not bumped the shoulders too far back and thereby creating too much headspace. This will cause the firing pin to push the case forward in the chamber, not firing it.
 
Thank you guys for the quick response. Ill pick up other primers then. I didnt know that CCI primers were harder than others. Now I just need to figure out what to do with the other 950 primers. LOL

I think you can use them as large pistol too (with careful load workup)? Maybe some handguns will be able to consistently strike...

bigedp51, thanks for the graphic. good info!
 
Make sure you have not bumped the shoulders too far back and thereby creating too much headspace. This will cause the firing pin to push the case forward in the chamber, not firing it.

Witchhunter, how does the shoulder get pushed too far back? I thought FL sizing dies were kind of foolproof, is it possible to overdo it or would the shoulder get bumped from something else?
 
The problem is, FL sizing dies are designed to get the case near the SAAMI minimum size for the case, which may be way to much shoulder bump for YOUR chamber.