.223 no bang

[five.five-six]

I loaded up 60 rounds .223 on my 550 and I had 12% not go bang and I don't know why. Primers were CCI 41 and fired with an AR pattern rifle.

I have been successfully loading match .223 on my rockchucker for years but on the 550 I want to stock up on bulk ammo for zombies and things like that.

In the event it needs to be used in a zombie apocalypse, this ammo needs to be 100% reliable. Before I make another trial batch, I need some assistance in figuring out why my previous run did so poorly



These are the primers

[JagerDog]

Primer strikes look pretty light. I'd check headspace. #41 primers are pretty hard.

[Dooder]

Yea another vote for light strikes. Check primer height of the ammo when its done loading to make sure they're not proud. Check the crimp to see that enough of it is removed so the primers seat correctly. Also CCI primers in general are considered one of the least sensitive. Maybe consider changing to something more sensitive such as Winchester. They're cheaper too.

[Sir Toast]

Primers do look light.

Also, did you store your primers around WD-40 or any other penetrating oil? Did you have oil on your magazines? It looks like one of the primers tried to burn, but burned only partially. That makes me think some type of penetrating oil neutralized them.

[JagerDog]

Yea another vote for light strikes. Check primer height of the ammo when its done loading to make sure they're not proud. Check the crimp to see that enough of it is removed so the primers seat correctly. Also CCI primers in general are considered one of the least sensitive. Maybe consider changing to something more sensitive such as Winchester. They're cheaper too.

Ya...not fully seated primers can produce light strikes too.

[JagerDog]

Primers do look light.

Also, did you store your primers around WD-40 or any other penetrating oil? Did you have oil on your magazines? It looks like one of the primers tried to burn, but burned only partially. That makes me think some type of penetrating oil neutralized them.

Doesn't look like a burn to me. Just a mark from the punch removing it with perhaps a bit of powder in the way.

[JagerDog]

Progressives make for fast ammo production...and faster mistakes.

[jimmykan]

If you rechamber and drop the hammer on them again, do they shoot?

[pacrat]

Doesn't look like a burn to me. Just a mark from the punch removing it with perhaps a bit of powder in the way.

^^^DITTO^^^

[seal20]

What trigger are you running?

[five.five-six]

Primers do look light.

Also, did you store your primers around WD-40 or any other penetrating oil? Did you have oil on your magazines? It looks like one of the primers tried to burn, but burned only partially. That makes me think some type of penetrating oil neutralized them.

I don't think so. They were still in their 100 pack taped shut. I store them in a steel reloading cabinet I use for reloading components. I think that dark spot under the anvil was just a speck of H335 that was lodged there.





The door to this cabinet is always closed unless I am retrieving something. I don't even open it for photos...

[five.five-six]

If you rechamber and drop the hammer on them again, do they shoot?

7/7 no bang 2nd try

[five.five-six]

What trigger are you running?

I don't know. I think it's a RRA SS NM LPK. seems heavy but it's really smooth so I'm not sure. RRA NM triggers are my go-to

[BajaJames83]

Those look pretty light my thought would not seated deep enough or weak hammer spring etc.
What did the ones that fired look like?

[five.five-six]

Ya...not fully seated primers can produce light strikes too.

They didn't wobble on a flat surface. Also, I keep my conversion plate pretty snug so poorly seated primers are noticeable right off the bat.