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Discussion Starter · #7 ·
What was it and is everyone OK?
It was one of my AR-15 builds that a buddy asked to shoot. He went though the first mag and asked to shoot some more. The can full of .223 was next to a can full of 300 blackout. he is a very experienced shooter and I never thought to warn him that a 300 AAC will fit in an AR-15 mag. I suspect the bolt slammed home, pushing the 30cal bullet into the case, allowing the bolt to lock and the firing pin to work. Fortunately no one was hurt and I now keep all my ammo cans closed and only I will dish out bullets.
Here is a picture of a 55gr 5.56 and the 125Gr 30cal I pushed out of the barrel.
Musical instrument Toy Wood Art Sculpture
 

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Discussion Starter · #12 ·
If the barrel didn't bulge it could be used.
Actually the lower was unscathed. The magazine not so much. I reused the Stock, Buffer & spring and Muzzle brake when I repaired it. Just couldn't bring myself to reuse the barrel. Besides, everything in the first picture is mounted on my wall with a sign that says "Be Alert".
 

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Actually the lower was unscathed. The magazine not so much. I reused the Stock, Buffer & spring and Muzzle brake when I repaired it. Just couldn't bring myself to reuse the barrel. Besides, everything in the first picture is mounted on my wall with a sign that says "Be Alert".
I figured the lower was good was the barrel actually damaged? did you have to replace the bolt release on the lower? I have two blown up ones not from something like this from fn ammunition both from the same ammunition.
 

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Discussion Starter · #17 ·
I figured the lower was good was the barrel actually damaged? did you have to replace the bolt release on the lower? I have two blown up ones not from something like this from fn ammunition both from the same ammunition.
With the BCG and Magazine shredder you'd expect the bolt release and mag release to be damaged - but they were fine. I had to use a high carbon steel rod to hammer that bullet out of the barrel and honestly never considered if the barrel was okay. I just replaced it with a complete upper and count my lucky stars my friend was not hurt.
 

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With the BCG and Magazine shredder you'd expect the bolt release and mag release to be damaged - but they were fine. I had to use a high carbon steel rod to hammer that bullet out of the barrel and honestly never considered if the barrel was okay. I just replaced it with a complete upper and count my lucky stars my friend was not hurt.
The barrel is probably good for another build later on you might be able to salvage the bolt also obviously not the carrier. Wait where is the bolt?
 

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GUNZILLA
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Sorry I can't help gluing it back together never like doing puzzles. Hope nobody was hurt.
 
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