Almost blew my Rifle up yesterday

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yugorpk

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Ive got an M4 SBR with Colt Socom 14.5" upper in 5.56 on a Bushy lower. Went out shooting with a friend yesterday and grabbed a few mags that have been loaded for a year or so. Ran 20 or so rounds of 5.56 down range then heard a click. Bolts back about an inch so I cleared the jam and a 300 BO round fell on the ground. Oops. I do my best to segregate that stuff but one slipped past. Luckily I crimp the bejesus out of those things so it didn't ram the bullet into the case and blow my hands off but it came closer than I'm comfortable with. Not only that but I really like that Colt upper.

Be careful out there

iE3PwQ.jpg .
 
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How did you not notice when you loaded the mag??? That's why you've always gotta pay attention. I had a buddy and was about shooting my 7mag and 708. He grabbed a 7-08 and chambered it while I was shooting my pistol. I heard the click and went to check on him. I now keep my amp for different calibers on different tables
 
It was at least year ago when that particular mag got loaded. . Don't really recall. I dont know if one just fell in the mix or what. I was as surprised as anyone would have been. This is a week after I caught my brother loading 44 mags into one of my 45 SAA Colts. Luckily I caught him and he had been warned.
 
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Love your handgun array. I know you've a lot of ivory on the table, there, but what grips are those on the holstered 1911?
 
yugorpk

Now that's my idea of setting the table! Who needs silverware and plates when you have that kind of table service!
 
Good reminder. My buddy who has a 300 blackout rifle in with his others has those magazines marked with blue electrical tape.

We both have a bit of a chuckle when he gets out that tape to mark any new mags. Movie reference for our generation :)
 
water Buffalo bone on the holstered 1911. Giraffe bone on the other. I dont know if they use straight Buffalo bone or grind it up and mix with epoxy . Its rock hard stuff but I suspect a little chemistry is going on there. Some of the stuff out of Asia.

I'm trying to find someone to build me some jade grips.
 
yugorpk said:
I'm trying to find someone to build me some jade grips.
Click to expand...

I may have a contact that knows someone. A buddy just got back from China where they visited a friend who owns a Jade factory on the Vietnam border. He has a new chunk around his neck that reminded me of something Gold out of the 70's. Said something about $50,000 US retail in Beijing, but he got it a lot cheaper.

I will ask them tomorrow. They are always looking for a new business opportunity in the US.
 
Jade or Malachite. Not sure I'd be willing to part with $50K for a set of grips though :) Reasonable quality darker jade shouldnt be more than a few hundred and decent malachite even less.
 
Oh man, glad you are ok. Having a 300 bo get accidentally loaded into one of my 223's is a fear of mine. I use different color mags for each one and I'm hyper-vigilante, but accidents can still happen. I caught my youngest brother (not a gun guy) trying to load an '06 in my 300 win mag. I doubt it would have chambered but it still gave me an oh crap moment. I also saw a guy at the range shoot a 20 ga out of a 12 ga. The hull got jammed up in the barrel. Luckily he noticed it before chambering and firing the next shot.
 
yugorpk said:
Jade or Malachite. Not sure I'd be willing to part with $50K for a set of grips though :) Reasonable quality darker jade shouldnt be more than a few hundred and decent malachite even less.
Click to expand...

Ok. I will ask him that also.

Don't worry about the price, he is a gun guy! I am sure he might make you a trade or a gooooood deal.:neener:



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I would think a 300 BO couldn't fire in a 5.56. Can the bolt go far enough home to do that? The bolt has to be locked into battery before the hammer can hit the firing pin with enough force.
I never got on the 300 BO band wagon so I haven't paid that much attention to it.
 
Ive seen some pretty graphic pics of when the bolt goes forward and rams the 30 cal bullet back into the case then its just a question of fitting what used to be a .223 case in a 223 chamber. Hammer drops and kaboom. Locked breach and plugged barrel. The gas has to go somewhere. If my crimp wasnt as tight as it was ( Thanks LEE FCD ) I have no doubt there would have been a kaboom.
 
About 12 years back I was shooting a Beretta PX-4 Storm in 9mm. I was shooting "American" ammo from Miami.

I was in the middle of a magazine and heard a hollow "pop" sound, and thought, "Weird!"

I immediately safed the weapon and racked the slide, finding the shell in the chamber. It was a .380. I took the weapon apart and looked down the bore; it was clear. The case was not damaged.
 
FOGeologist said:
About 12 years back I was shooting a Beretta PX-4 Storm in 9mm. I was shooting "American" ammo from Miami.

I was in the middle of a magazine and heard a hollow "pop" sound, and thought, "Weird!"

I immediately safed the weapon and racked the slide, finding the shell in the chamber. It was a .380. I took the weapon apart and looked down the bore; it was clear. The case was not damaged.
Click to expand...
I hear about people shooting 40 S&W in 10MM Glocks all the time. Makes me cringe but apparently the headspace "doesnt matter" because the extractor holds the round tight enough to the slide.
 
I would think a 300 BO couldn't fire in a 5.56. Can the bolt go far enough home to do that? The bolt has to be locked into battery before the hammer can hit the firing pin with enough force.
Click to expand...

Yes, if not crimped tightly or if there's not enough neck tension (especially with smaller supersonic rounds) the bullet can get set back enough when the bolt chambers the round.

IMO, it's the main drawback/concern with 300BLK. Otherwise it's a fun little bugger to shoot.

I specifically don't shoot both 5.56 and 300BLK when i go to the range to avoid this problem. I shoot either one or the other.

And I've also thought about using red electrical tape on the handle or around the handguard, mags (even though they're the same), and MTM ammo boxes just to segregate them from all the 5.56 stuff.

I haven't come close to a similar mistake, but I've seen several photos of various kabooms, and it reinforces the respect one needs to have for all firearms.

One interesting photo was a cutaway of the bore which showed a 30cal bullet that had elongated at least 5-6" down the 223 barrel.

Just like the old adage in carpentry, "measure twice and cut once", with 5.56 and 300BLK, one should check to ensure both the ammo and upper match- twice - and retain your fingers and eyes in proper working order.
 
I was shooting reloads out of my Springfield 1911 at an indoor range and when the hammer dropped I didn't get anything (so I thought), well in a moment of complacency I just cleared the round by racking the slide without even looking at it thinking that it was probably just a bad primer and I would reload it into my next mag. Luckily when I tried to chamber my next round it was just barely not fitting, we're talking an eighth inch or so. I dropped my mag and look for the round that I had cleared out and couldn't find it, it was just all my empties. Decided to check my bore just in case and there was a 45 caliber slug just up in the barrel where I had around with no powder but a good primer that popped it up in there. With my hearing protection I didn't hear the primer go off I guess and how in the world I didn't get powder and that round I'll never know LOL. Went home and talked it out of my 45 and now it's sitting on my reloading bench as a reminder! Like the op said, we gotta be careful folks...
 
I've only seen a guy try to chamber 300blk in a 5.56 once (well about three times consecutively) he was shooting through a mag of 556 and the bottom half of it turned out to be 300blk. He had completed two rack-and-clicks when I noticed it wasn't 556 coming out of the gun.

I don't know what 300blk rounds will chamber in a 5.56, if any, but if you do get one in there, it is going to be a very bad day for your gun and possibly your hand and face. Not a good mistake to make.

40 in a 10mm is no problem, and even 9 in a 40 or .40 in a 45 is no problem (in terms of blowing the gun up), as long as the bore is not smaller than the projectile, you are generating less pressure than a normal round in all those scenarios.
 
I walked up on two friends while they were shooting. One had a " Judge" and was complaining that he was expecting better accuracy. Was a bit surprised when I started wondering why he was shooting .44-40 through it!

I'm glad it wasn't a ka-boom for you! Get hurt bad...FAST! Even if you come out unhurt, the gun is toast and thats a bad day all around.

Mark
 
My Colt M4 has a bunch of FDE furniture on it, so only FDE mags are loaded with 5.56. All my black mags are .300 BO only, as my build is all black. Scary. Glad you are OK
 
I had a buddy shoot a .270 Win cartridge in a 7mm Rem Mag Ruger #1.

The bullet hit the target 200 yards away with neither of us realizing anything was wrong until he ejected a 270 case head.

Full case head separation without any problems, no gas back, no funny report, nothing. I was a believer in Ruger #1 actions after that!

The very best part was 15 minutes earlier I made the comment "dont mix up my 7mm Mauser with that .270 ammo". His reply was "why would I do a dumb a$$ thing like that?" :uhoh:
 
Lol dont you just love the guys that you can't even give a simple warning to without them getting all butthurt! They are always the ones that end up making some knucklehead move. Then your standing there like "Yeah, hows that foot in your mouth treating you?", if ur lucky. If ur unlucky your waking up in the hospital saying "I'm never taking that dude with me again!!" lol
 
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