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Barrel blewup
- Thread starter swampbug
- Start date
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THE1LAF
Well-Known Member
What is it titled? I didn't find it.
Barrel blewup
This is (was) a barrel at the National F Open Championship in Phoenix. Shooter is OK. Wind coach got hit in the finger by flying stock debris. Barrel was shooting flawlessly until this. No one is sure what happened and barrel is being sent to barrel maker for analysis. This is a 1.25 inch...
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THE1LAF
Well-Known Member
No real conclusion yet;
"The owner of the rifle said that all rounds fired from the rifle made it to target and the score card and empty cases prove that. That rules out a barrel obstruction, or squib load. I just have a hard time imagining what else it could be. The rifle's owner said the bolt and action were fire and the brass was also split open similar to the barrel. Seems very strange. The barrel has over 1000 rounds on it, so you'd think any issues with the barrel would of shown light well beforehand."
LRNut
Well-Known Member
My friend who was shooting at that match said there was no obstruction as well. Very strange.
PopNFresh
Well-Known Member
I'm sure they'll get it right with the BMF3
Facts presented:
1- So a 1.25" straight barrel with 1,000+ rounds splits like a ripe watermelon?
2- All bullets accounted for in target?
3- Brass split similarly?
Methinks the rest of the "story" yet to be told. But my first thought was under charged case detonation.
1- So a 1.25" straight barrel with 1,000+ rounds splits like a ripe watermelon?
2- All bullets accounted for in target?
3- Brass split similarly?
Methinks the rest of the "story" yet to be told. But my first thought was under charged case detonation.
So heat treatment of the barrel may be the issue? Double stress relieved.
To much heat from firing? Magazine fed rifle action?
Each firing at 4500°F degrees & 1000 rounds fired needs looked at.
Rapid fire when conditions were right? The heat buildup on a hot 80 degree day may reach 1600F degrees on the barrel? It may fail?
Looks like it was 88F while shooting?
More so firing maching guns.
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Small Lady
Well-Known Member
Under charged?
Not enough powder?
I thought it was too much is bad, less means less stress on the chamber and brass?
But I don't hand load, so am asking.
Thanks
Low charges can rapidly rise pressure. For reduced velocity loads different powders are required. Any reloading manual will explain this. Should you at some point decide to venture into reloading please take the time to read all of the information. BTW too much is bad too. I'm not saying this to dissuade you at all, there are just a few basic things that need to be known and understood.
Double based powders, containing nitroglycerin, may detonate, under some conditions.
Another condition is when the primer output is high, moving the bullet into the rifling to soon. The bullet acts same as a plugged barrel. These conditions when applied are more likely to have problems. 1. Low neck tension/bullet hold. 2. Longer then normal COL. 3. Slow burn rate powders. 4. Large magnum cartridges. 5. Long free bore/bullet jump to rifling. . 6. Wrong primer.
The bolt may be hard to open from the 2nd pressure spike. Mostly lots of soot, if your lucky.
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