I don't think I will be using CCI Blazer anymore.

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If fire came out of the ejection port, and the head/primer of the case were intact, then it is a gun problem, and not a bullet problem. The firing pin struck the primer before the round was in battery.
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I agree... you may need to take out your firing pin and check it out... maybe it is gummed up in there or something. Perhaps the pin was sticking out when the slide came into battery, and struck the primer before it closed fully. Definitely sounds like a gun issue, not an ammo issue... indicated by the 8" blast from the ejection port. If the gun had fired in closed battery, this would not have happened... even if the ammo case had failed.
 
I had this exact same thing happen to me with a CZ75B shooting Black Hills reloads. As stated, this was a gun problem and not an ammo problem. Mine was used, maybe well used and I didn't replace all springs before shooting it as is my usual practice with used semi-autos. I replaced the springs and cleaned thoroughly, never experienced this malf. again.

Big flash and powder in my face, eye protection is your friend. I packed up and went home after that, no reason to tempt fate.
 
I'd have to go out to the garage to be sure, but I'm somewhere around 15,000 rounds out of my Glock 17 and 26. No failures - I did find one round with a sideways primer and tossed it.

Out of a Glock 26:

CCI blazer: average of 1125 fps

S & B: 1120

Federal 9BP hollow point: 1135

Winchester white box: 1100

Federal hydra shok 125: 1125

Average distribution for all these is about 50 fps, so there were high and low rounds that overlapped. I only fired about five of each. Elevation about 750, temperature about 80. There was considerable variation based on how high above the readers I shot.
 
I wouldn't blame the ammo, brass would have done the same thing.

I'd take a close look at the firing pin and the firing pin plunger, it is a B model.
Best guess is they're fully choked with carbon, brass shavings and other crud.
The FP could have gotten stuck forward from a slow FP plunger and fired the next case (the blazer) as it was chambering.

Could also be a FP that's swaged out from wear or dry firing and sticking forward. Or a loose FP retaining plate that's dropped just enough to keep FP forward.

I've seen these on series 80's Colts and other weapons that have the FP plungers on hammer'd guns.

Check into a Wolff recoil spring, it comes with a new high powered firing pin spring that helps prevent this sort of occurance.
 
I've never had a problem with Blazer aluminum ammo (in several sizes) over the years.
The issue here sounds more like the cartridge fired out of battery...a gun problem.
 
I was pretty enthusiastic about it until I had a couple of misfires on my last box
 
In more than fifteen years of shooting Blazer aluminum I've never had a problem.

Always accurate and reliable.
 
Uh Oh.:eek:

The gun was clean as it could be and it happened on the second mag, and the firing pin moves freely with no signs of it snagging. I remember very clearly that I pulled the trigger to get it to go off and it didn't fire as the slide was cycling. I put three more mags of Win whitebox through it after that without a problem.
I put one of those snap caps that came with the gun in the chamber and tried to get it to put a dimple on the rubber insert while out of battery. The only time It would do it was when the slide was about a millimeter back. Wether or not that is enough to cause what happened I don't know. Anyone want to do the snapcap experiment with thiers and see what it does? This is really starting to scare me. Any chance this couldn't just be a one in a million thing.:uhoh:
 
I have fired tens and tens of thousands of aluminum-cased Blazer without incident. About the only thing that WWB has going for it is that the brass is reusable, if not the highest quality.
 
The bulk of the nearly 8K rds that've gone through my Witness 9x19 were Blazers, as they used to be had in case lots for about a buck a box less than I could reload 9 MM in the cost of components alone. More, if you count your time as being worth considering.

I've used at least 15K of 9x19 and .45 ACP in various handguns over the years. I've never had an issue such as yours and could count the number of 'duds' without risking a charge of Indecent Exposure by running out of digits.

FWIW, I put nearly 2300 rds of .45 ACP downrange in the course of one 5-day training class a few years back with no malfs whatever.
 
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Never saw this particular problem, but several people on the CZ forum have had FTE problems with 9mm Blazer aluminum. Mine would FTE/stovepipe 1 out of 10. Cz sent me a new spring. I shot one more box with no problems, but never fired another one.
My local Academy had them on sale recently for $7.98.
 
Blazer Ammunition

Never had a problem with Blazer ammunition these last few years. Have used regularly twice a month for last three years...9mm and 40 cal.
 
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