My Buckmark goes Kaboom!

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Dudemeister

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This weekend I was visiting my Brother in law, and while there I went to the range to fire off a few rounds. I was shooting my trusty '90 Buckmark.

On the last magazine of a 4 box set, it went Bang, Bang, Bang, Kaboom! It was such a shock, I didn't even bother to check if all my fingers were still attached. I never expected to have a kaboom from a .22LR, much less my Buckmark, which had gone well over 15K rounds without a hitch for the past 20+ years.

The gun is mostly stock except for a Picatinny top rail with Williams FireSights. I had been using a Micro -Reflex sight, but at the time it was off, as I seem to do much better without it anyway.

After recovering from my initial shock, I inspected the gun: the top rail had buckled upwards, and the extractor and it's spring/plunger were gone. on it's way back, the slide tried to feed a new round in, but couldn't, so it was jammed at an angle. When I took the magazine out, a flattened head of a case fell out as well.

I turns out the round that went kaboom had blown it's head completely off, leaving the case body inside the breech. My first thought was that the previous round had not cleared the barrel, and when the next one was fired it all went to hell, but upon inspection, the barrel was clear. When I went home, I extracted the casing quite easily using a metal pick. Inspection of the barrel using a watchmaker's 10x loupe doesn't show any visible barrel damage. I would have thought that any kind of doubled up shot would show some kind of damage/distortion inside the barrel, but I can't see anything, so at the moment, I'm not sure that my original theory stands.

What could have caused this? Has anyone else come across a similar experience?

I plan on buying the extractor parts and a new rail to repair it. Should I worry about the integrity of the gun?
 
The barrel would have a bulge in it where the bullet hit the one that was stuck, if it were a squib. Also, you'd likely see little to know damage apart from the barrel. So I'm inclined to say that the gun either fired out of battery, or the cartridge had a case head separation.

I'd send it to Browning either way. It's either ammo-related or gun-related, so let Browning figure it out and give your gun a once-over.
 
A Browning KaBoom, and a .22LR at that. And here I was thinking these events were limited to Glocks! Who'd a-thunk it?

Browning needs to inspect it.
 
What type / brand of ammo was it? I hope you stiilll have the ammo box with lot # and the case parts body & seperated head. First step is contact the ammo company and tell them what happened & send pictures. Next step is contact browning & send the firearm and damaged brass. Don't expect browning to cover the repair sincce this is usually termed an ammunition defect. If the ammo co refuses to pay you may be out of pocket on the repairs. Good luck.
 
It sounds to me like a bad casing or a round that somehow got a overload of gun powder. If it was any other gun but a Buckmark or a Ruger MK series pistol I might think it was the gun, but those two guns are know to be reliable beyound belief. Very strange for sure.
 
As I often say there is a VERY fine line between a trusty-firearm and a hand grenade. Have the gun checked by a QUALIFIED gunsmith before you even consider using it again!

People like to poo-poo the .22 rimfire but there is still a LOT of energy in there!


+1 on seeing photos
 
People like to poo-poo the .22 rimfire but there is still a LOT of energy in there!

Yes, you notice that all those Manly Mens who say only a .45 ACP is any good and a .380 will bounce right off a 200 pound bad guy are never too quick to volunteer to stand 25 yards down-range and catch .22s for you?
:evil:
 
leaving the case body inside the breech.
If the entire case body was still in the chamber, the gun did not fire out of battery.

You had a seriously over-charged round that blew the head off and damaged the gun while it was fully chambered.

By all means:
1. Keep all the the shrapnel you found.
2. Keep the ammo box with the Lot# stamped on the flap.
3. And contact the company that loaded it.

They owe you some gun repairs.

rc
 
Here you go, Here are some pictures of the gun, and one of the extracted casing. I can't find the flattened head anymore, I may have left it behind at the range.

The ammo I was shooting is CCI Blazer. Between me and my son, we've put away at least 5-6K of this stuff with only the occasional failure to fire. But never had one fail like this no matter what the brand.

kaboom_1.jpg

kaboom_2.jpg

kaboom_3.jpg




P.S. I'm using a new server system to host my pics, and I'm not sure how it looks from the outside just yet. Let me know if the pictures don't show up, so I can try something different.
 
Last edited:
Not yet.

FYI: You can click Go Advanced below where you are typing.

Then click on Preview Post to look at the picture yourself before trying to post it.

rc
 
I had a win t22 blow off its head one day in my high standard. No damage. Only noticed because it showered me with in burnt powder and sounded funny. The broken case actually ejected and the head was stuck between the slide and barrel face.

J.
 
Not yet.

FYI: You can click Go Advanced below where you are typing.

Then click on Preview Post to look at the picture yourself before trying to post it.

rc
Hmmm.

The problem with Preview , for me, is that I always see the pictures, because they are local (the hosting server is on my network). But when you're outside, it's a different story. I used to have a Quantum Snap Appliance, but it went south and I replaced it with a QNAP NAS, which works differently.

I'm trying to get the pictures to show up in the message like I did before, but if that doesn't work, try this, it's a direct link to the "kaboom" album:

http://digistealth.com/photostation/album.php?foldername=/Kaboom
 
I have to ask - how clean do you keep the gun? I bought a used Buckmark that functioned "OK", until I took it apart and found it was absolutely filthy. I mean it had grime and powder residue in places I didn't even know could get dirty. After a thorough cleaning and a few new springs, it's like a new pistol now.

Oh, I can see the pics just fine.
 
I have to ask - how clean do you keep the gun? I bought a used Buckmark that functioned "OK", until I took it apart and found it was absolutely filthy. I mean it had grime and powder residue in places I didn't even know could get dirty. After a thorough cleaning and a few new springs, it's like a new pistol now.

Oh, I can see the pics just fine.
Generally, I clean it after every range trip. I clean all the accessible areas that don't require disassembly (barrel, breech faces), I use a can of compressed air to blow the crud from the firing pin, extractor and trigger gaps, then add a dab of CLP to those areas and the slide.

I only take the gun completely apart once a year or so, maybe not even that. In general it's not all that dirty inside, there's nothing "caked in" or anything that would prevent smooth functioning of the gun.
 
It just dawned on me that I can use my phone to view the page, since it's not on the local network, and I can see the pics, it's just very slow for some reason.

Is this what other folks are seeing? How long does it take for the 3 pics to load?
 
Photos work fine for me, nice looking grips! But my Camper was just nasty inside. Looked like an old Ford pickup engine, it was so grimy. But the gun still worked. I put the parts and frame in my ultrasonic cleaner and I swear I could hear them saying "oooh, ahhhh, thank you!"
 
Seeing the pics fine on my iPhone, may want to add an ejector to your parts list and +1 on rcmodel's determination of cause.

Never had a case head separate but my father's .300 Win. Mag. did said same with SuperFormance in the hands of the local smith. No damage but Hornady shipped 5 boxes of Custom to replace the remaining 2 boxes.
 
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