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Posted: 12/19/2009 7:55:23 PM EDT
[Last Edit: 12/19/2009 8:28:06 PM EDT by thunderw21]
...and I don't know what exactly happened.


I recently bought a Jennings J-22 handgun for cheap to plink with.  Took it out shooting today and it had some problems ejecting (surprise, surprise).

So tonight I'm sitting at my computer desk trying to find what's the problem.  I insert a live .22lr round into the magazine, put the magzine into the gun, pull the slide back and let it fly.       *BANG*       My ears are ringing and there's smoke everywhere.  My first though was "I can't believe that just happened".  First thing I do is secure the gun by dropping the mag and checking the chamber.  Then I check myself over and make sure I'm alright, which I am thank God.  Then I check to see where the round went: bounced off my computer desk, hit the wall and dropped to the floor.

I live on the end of a small apartment complex and I don't think any of the neighbors heard it.  I'm shaking and my ears are still ringing.

Quite frankly, I don't know what happened.  My finger was pointed straight along the slide when the gun fired.  I did not pull the trigger, I didn't even come close to touching it.  Even stranger, while examining the brass I see there is no dimple anywhere around the rim.       Quite frankly, I looks as if the impact of the slide stripping the round from the magazine fired it.  The ammo was Federal .22lr bulk from Wally World.  The previous owner of the gun had no problem with it other than it not ejecting occasionally.

Thankfully I was following the 4 rules and had the gun pointed in a safe direction when I racked the slide.  I'm rather surprised at the pitiful performance of the .22, I expected it to do more damage but glad it didn't.

Desk:


Wall:


The round:


No dimple:






What's at fault here?
Me for chambering a live round?  The cheap gun?  Bad ammo?  Or all of the above?
Link Posted: 12/19/2009 7:56:33 PM EDT
It was a Jennings, there is your problem.
Link Posted: 12/19/2009 7:58:59 PM EDT
It's a Jennings.  





But the amazing thing is that it actually fired a round without jamming.  

Don't buy crap guns.





CJ


Link Posted: 12/19/2009 7:59:02 PM EDT
Glad it was pointed in a safe direction.
Link Posted: 12/19/2009 7:59:13 PM EDT
Your problems with ejecting may have been a stiff extractor ( spring, or just dirty) that fired the round.


Good thing it was a jennings,(which only feed one or two rounds at a time ) or you would have ventelated your desk untill the mag was empty
Link Posted: 12/19/2009 7:59:29 PM EDT
Originally Posted By LuvBUSHmaster:
It was a Jennings, there is your problem.


Link Posted: 12/19/2009 7:59:52 PM EDT
That's odd.
Link Posted: 12/19/2009 8:00:17 PM EDT
[Last Edit: 12/19/2009 8:00:56 PM EDT by kcolg30]
Link Posted: 12/19/2009 8:00:40 PM EDT
Yeah, a Jennings, but no dimple?
Link Posted: 12/19/2009 8:00:41 PM EDT
In before the nazis!

Sort of...
Link Posted: 12/19/2009 8:01:01 PM EDT
how the piss did the cartridge fire without being struck by the pin?  





juss curious thats all.  
Link Posted: 12/19/2009 8:01:18 PM EDT
Congrats on owning a Jennings that actually fires
Link Posted: 12/19/2009 8:02:12 PM EDT
I wonder if it would have kept slam-firing with a full mag
Link Posted: 12/19/2009 8:02:38 PM EDT
[Last Edit: 12/19/2009 8:02:56 PM EDT by Deech]


–––– -> * <-i see the dimple in this position above the "f" logo
F
Link Posted: 12/19/2009 8:03:00 PM EDT
Link Posted: 12/19/2009 8:03:41 PM EDT
Link Posted: 12/19/2009 8:03:54 PM EDT
I don't see anything that looks like a strike on the casing.
Link Posted: 12/19/2009 8:04:41 PM EDT


Rim pressed/squeezed between slide and chamber, causing it to fire?
Link Posted: 12/19/2009 8:05:34 PM EDT
In my opinon this actually qualifies as an accidental discharge. Glad that it didn't turn out worse for you. For future refrence you can get away with a lot of cheap purchases but weapons are not one of them.
Link Posted: 12/19/2009 8:05:35 PM EDT
Years ago I had a Colt 1911 .22 conversion.  It would slam fire without dimpling the rim.

Yes... Yes it can continue to fire that way until the magazine is empty!!
Link Posted: 12/19/2009 8:07:10 PM EDT
Any differences on the rim anywhere - on either side, or in thickness of one section relative to the rest?

Also, this sounds to me like an actual AD, as there does not appear to be negligence involved.

(Chambering a live round is NOT negligent, or we all would be negiglent in loading our carry guns...)
Link Posted: 12/19/2009 8:07:41 PM EDT
Originally Posted By DasRonin:
Years ago I had a Colt 1911 .22 conversion.  It would slam fire without dimpling the rim.

Yes... Yes it can continue to fire that way until the magazine is empty!!


Thats why I mentioned the extrator.

I had a friend with a beretta neos that was having problems extracting, he replaced the extractor spring with a cut down ball point pen spring,

He did not cut it down enough, it turned into a slam fire auto.  The problem was fixed after a few mags.
Link Posted: 12/19/2009 8:07:42 PM EDT



Originally Posted By Shott8283:


how the piss did the cartridge fire without being struck by the pin?  





juss curious thats all.  


This



 
Link Posted: 12/19/2009 8:07:43 PM EDT
Originally Posted By Deech:


–––– -> * <-i see the dimple in this position above the "f" logo
F


It does looks like a little dimple there.

Link Posted: 12/19/2009 8:08:06 PM EDT
Glad you werent hurt (or anyone else)
Link Posted: 12/19/2009 8:08:36 PM EDT

Let me be the first to proclaim your thread the Desk-o-truth thread.
Link Posted: 12/19/2009 8:08:58 PM EDT
Originally Posted By Deech:


–––– -> * <-i see the dimple in this position above the "f" logo
F


Yup, about 1:30 to the F mark, on the rim.
Link Posted: 12/19/2009 8:09:07 PM EDT
Originally Posted By thunderw21:
...and I don't know what exactly happened.


I recently bought a Jennings J-22


Imma let you finish, but I think I found your problem.....
Link Posted: 12/19/2009 8:09:49 PM EDT
Sounds like an AD. Unless owning a Jennings is considered negligent on its own

Link Posted: 12/19/2009 8:10:09 PM EDT
Originally Posted By TacticalMOLONLABE:

Originally Posted By Shott8283:
how the piss did the cartridge fire without being struck by the pin?  


juss curious thats all.  




This
 


Rim fire cartriges can be fired with the extractor.

Link Posted: 12/19/2009 8:10:10 PM EDT
Originally Posted By Ghetto:
Congrats on owning a Jennings that actually fires


Link Posted: 12/19/2009 8:10:12 PM EDT
Originally Posted By WilliamGray:
Originally Posted By Deech:


–––– -> * <-i see the dimple in this position above the "f" logo
F


Yup, about 1:30 to the F mark, on the rim.


I'm looking at it now, see what you mean but that thing is tiny.  It's barely a scratch.  I don't think that would have ignited it.
Link Posted: 12/19/2009 8:10:35 PM EDT
Originally Posted By WilliamGray:
Your problems with ejecting may have been a stiff extractor ( spring, or just dirty) that fired the round.


Good thing it was a jennings,(which only feed one or two rounds at a time ) or you would have ventelated your desk untill the mag was empty


Technically, he did. Since he said he only loaded ONE round.....
Link Posted: 12/19/2009 8:11:34 PM EDT
Well, that sucks.  Got calipers?  I'd measure the whole fucking case, every possible dimension, to find an irregularity.



Oh, and in on 1.
Link Posted: 12/19/2009 8:12:04 PM EDT
I expected it to do more damage but it didn't.

Point it directly at your computer next time.
It will do more damage.
Link Posted: 12/19/2009 8:12:15 PM EDT
Glad you're ok.
Link Posted: 12/19/2009 8:14:04 PM EDT
Those pistols are cheaply made and I'm going to guess that they're not precision machined, so where the rim presses against the chamber and breech face, there may be a little blob of metal and when you rack one in the chamber, it'll fire.
Also, I know from personal experience the firing pin channel gets gunked up and can cause the firing pin to protrude enough causing a slam fire.
I have one and it's a fun little gun to shoot at the range, just for plinking though. You need to keep 'em clean and use the right ammo (usually always HV stuff) or else it'll be a PITA.
But hey, I've gotten $80 worth of fun out of mine that I paid for it.
Link Posted: 12/19/2009 8:15:20 PM EDT
Originally Posted By Ghetto:
Congrats on owning a Jennings that actually fires


At the shop, where I use to work, we use to sell these pieces of crap.
Most time people dry fire them and the cheap firing pins break all the time.
As yours worked, again that's amazing.
Also, those simple gun handling rules really do mean something!

Link Posted: 12/19/2009 8:18:02 PM EDT
ill say this..



SHTF,,  fuck a BP vest,   hide under your desk...
Link Posted: 12/19/2009 8:18:14 PM EDT
In on one.
Link Posted: 12/19/2009 8:18:45 PM EDT
Originally Posted By max229:
In on one.


Link Posted: 12/19/2009 8:18:53 PM EDT
Originally Posted By WilliamGray:
Originally Posted By TacticalMOLONLABE:

Originally Posted By Shott8283:
how the piss did the cartridge fire without being struck by the pin?  


juss curious thats all.  




This
 


Rim fire cartriges can be fired with the extractor.



this, been there sold it !
Link Posted: 12/19/2009 8:19:29 PM EDT
Tag.

Link Posted: 12/19/2009 8:21:17 PM EDT
I've also had an AD with a .22 bolt action.



Stiff bolt, chambering a round and as the bolt stiffly rode forward the round fired.



The four rules will save you every time.
Link Posted: 12/19/2009 8:25:04 PM EDT
in on one
Link Posted: 12/19/2009 8:25:39 PM EDT
The problem is definitely the Jennings.  I had one of those piece of shit Jennings .22 pistols back in the late 80's when I was just a young teenager.  It used to jam every clip, one or two times.  Finally, I had a partially out of battery discharge that showered my right hand with brass particles and powder.  I dissambled the jennings, powered up my dad's bench grinder and modified the gun so that would never happen again.  I ground through the frame to the point it was inoperative (didn't take long since the jennings frame is made of pot metal).  
Jennings guns are junk, nothing will make them servicable, except as a throw down gun!
Link Posted: 12/19/2009 8:27:15 PM EDT



Originally Posted By EladEflow:


I've also had an AD with a .22 bolt action.





You're right.  Since this is an equipment failure, it's the rare case of a true AD.



OP can change his thread title and possibly eliminate morons coming in here, not reading the post, and jumping to 'finger fucking the trigger' conclusions.



 
Link Posted: 12/19/2009 8:28:42 PM EDT
Originally Posted By AL_Safety:
The problem is definitely the Jennings.  I had one of those piece of shit Jennings .22 pistols back in the late 80's when I was just a young teenager.  It used to jam every clip, one or two times.  Finally, I had a partially out of battery discharge that showered my right hand with brass particles and powder.  I dissambled the jennings, powered up my dad's bench grinder and modified the gun so that would never happen again.  I ground through the frame to the point it was inoperative (didn't take long since the jennings frame is made of pot metal).  
Jennings guns are junk, nothing will make them servicable, except as a throw down gun!


I have fixed 3, to the point that they were alright range guns.

The main problem I see with them is the chatter in the areas where the slide and frame meet.   I took a diamond file and smoothed the chatter out of these areas, and the guns seemed to cycle fine after that.

There are other problems with them, but that would usualy fix them.  I would never own one, but some people are on a budget.
Link Posted: 12/19/2009 8:29:17 PM EDT
[Last Edit: 12/19/2009 8:31:34 PM EDT by thunderw21]
Originally Posted By Cole2534:

Originally Posted By EladEflow:
I've also had an AD with a .22 bolt action.


You're right.  Since this is an equipment failure, it's the rare case of a true AD.

OP can change his thread title and possibly eliminate morons coming in here, not reading the post, and jumping to 'finger fucking the trigger' conclusions.
 


Done.  Glad I didn't pay much, this is one of the few times I'm in favor of a gun being demilled.



The Four Rules, this shows that they must be gospel to us all.  They (and the good Lord) saved me from a world of hurt.
Link Posted: 12/19/2009 8:29:30 PM EDT
Damn that's crazy...
Link Posted: 12/19/2009 8:30:28 PM EDT
Glad you're A-OK.
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