Remington Yellow Jacket Surprise

Slipery

Slipery

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Ottawa, Ontario
Hey everyone!

So, a few weeks ago, I bought an older Cooey 750 single-shot (.22lr) from a fellow up here on CGN.. It had a longer barrel, so my plan was to just use CB long's in it, and have it up at the cottage for plinking cans, etc. I hadn't gotten the chance to try it out until I went to my friends house yesterday.. I tried some CB Long's in it, and it worked just great.. They were quiet as can be... I also tried some winchester white box, some federal 525, and other ammo.. I cracked open a little box of Remington Yellow Jackets as well, and I tried the first one.. I got a FTF, and I didn't think anything of it.. I ejected that one and put in another one, it fired off without a hitch.. Then I fished into my pocket and pulled out a third Yellow Jacket round. Because I had previously been using the subsonic rounds, and now I was just using some .22LR, I had my ear muffs around my neck, and I was also just shooting around a friends farm, so I didn't have any eye protection. Both would have been nice, because when I brought up the Cooey to take my third shot, I got a little surprise. There was a very loud bang that seemed just as bad as a .270 or .308 in my ears, and I got a puff of smoke and a bit of a shockwave right in my face. I know it is only a .22lr, but there are still high amounts of pressure going on when that round gets fired.


I am just wondering.. Was this caused by simply a faulty round? Or was it something to do with the firearm? Or was it a combination of both? The Yellow Jacket is a hyper velocity round, so perhaps my older rifle isn't meant to handle such high pressures?

Pictures included:











 
thats intense slipery... just goes to show hearing protection and eye protection always a good idea...

Does ur firing pin leave unusually large dents in the cartriges? Maybe it actually pierced the brass allowing the pressure to escape the wrong end. Thats the only way i could see it being the firearms fault.
Otherwise its most likely a faulty cartrige and u should alert the manufacturer and see what they have to say for themselves.
 
Remington rimfire ammunition has some really poor tolerances/qc. I tried most of them and I was not impressed. The brick of yellow jacket I had - many of the bullets weren't crimped properly and wobbled around, I even had a few fall out. I doubt that your rifle is at fault, I would suspect that the case was poorly manufactured or that the brick may have a few problems. IT also could be possible that you have a tight chamber - yellowjacket/stingers type rounds have a slightly lengthened case compared to other LR rounds to fit more powder in. I don't recommend firing any more rounds and it probably wouldn't hurt to contact remington and send them the pics.
 
I've had this happen in a really old single shot Eatonia .22 probably very similar to your Cooey.
It has only happened once, the rim case didn't look as bad as yours but it was mangled. I had powder blow back right into my eye while hunting, hurt and scared the crap out of me.
I think I was using some 30 year old Imperial ammo.

Scary
 
Its not the ammo, the problem lies within the gun. It may be the chamber has residue buildup not allowing the cartride to seat proper at the rim of the cartridge. After shooting shorts I would never fire a LR without cleaning the gun, specifically the chamber.
 
split cases

I had this happen twice over the years. The first time was with a Czech or Yugoslav shell the second with a domestic brand, I don't remember which one.

Problem occurred in good quality guns, Anschutz and Brno, no problems with hundreds of rounds before or after the problem.

I just assumed it was faulty brass.
 
I think it's faulty ammunition. I've had poor luck with almost every type of Remington .22 ammo, to the point that I will no longer shoot Remington .22 ammo in any of my .22's.

I've had several case blowouts similar to those in the photos.
 
It is pretty scary stuff.. Those of you who have had it happen probably know what I'm talking about.. Every time you pull the trigger, you kind of trust that things are going to go right, and only when it doesn't work out like getting a blast of powder and pressure in your face do you kind of realize that they can be pretty dangerous tools even when you are on the right end of the gun.

The round did exit the barrel. The bore looked fine as far as I could see.. There was lots of little bits of shrapnel around the bore, I had only assumed that it was parts of the brass. I will have to check it out, I don't really feel like going to the gun safe at the current moment.. And I am not sure about the firing pin as it is the only round I collected from all of the rounds I shot.

It seems that most people think it is the ammo, while two people think it could be the guns fault.. I will have to check if the firing pin is striking extra hard..

The CB long ammo I am shooting is Remington as well, although I am sure it is fine.

Is the general consensus that the gun is safe to keep shooting?
 
put ur glasses on and plugs in next time but ya go try it out again after a good cleaning... if you really wanted to be extra safe... talk to your local trusted gunsmith about the incident
 
It looks like the case was fired out of battery. Just from the photos, it appears as though the case is beveled from the rim to the straight wall. It should hold a tighter grip to the rim if the gun is fully into battery. Just my .02.

Glad to hear you are o.k.
 
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