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End cap strike

Aisin

Grumpy old fuck
Joined
May 19, 2020
Member Number
304
Messages
2,349
My Irish luck finally caught up with me. Had a strike yesterday. What would cause this? The only thing I can think of is an undersized bullet. I’m not too happy about it. The gun store is getting me a new end cap.
 

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was the can loose on the muzzle threads?

some retarded memeout 300gr 600fps load?
 
[486] said:
was the can loose on the muzzle threads?

some retarded memeout 300gr 600fps load?
Click to expand...

Can is always threaded on tight. This is 7.62X51. If I was shooting something that slow it would be through a 1:3 twist barrel.
 
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I would think you would have heard and felt the difference if it was an undersized bullet.
 
You wouldn’t hear or feel shit. It wouldn’t take more than .002 to .003 undersized to do that. A bullet .001 undersized will give you fucked up groups.
 
so, what load/ammo were you shooting?

what can?

what mount?

what gun?

need more info


i have blown up a can, but never end cap struck one yet.
 
Aguila 149 grain
Omega 36M
ASR flash hider
Springfield SOCOM 16
 
well, Aguila ammo is garbage in anything other than 22lr. and even then its only slightly better than Remington Golden Toillet 22lr.


i would read some over on m14.

www.m14forum.com

Aguila 7.62x51

www.m14forum.com www.m14forum.com



from a quality manufacturer, id have a hard time believing undersized bullet. Aguilla QC is just terrible so anything is possible. be glad you didnt get a squib and blow the gun up in your face.
 
Texas97 said:
well, Aguila ammo is garbage in anything other than 22lr. and even then its only slightly better than Remington Golden Toillet 22lr.


i would read some over on m14.

www.m14forum.com

Aguila 7.62x51

www.m14forum.com www.m14forum.com



from a quality manufacturer, id have a hard time believing undersized bullet. Aguilla QC is just terrible so anything is possible. be glad you didnt get a squib and blow the gun up in your face.
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I know it’s Mexican ammo. I wasn’t expecting match ammo. I only had one box of it. I bought it a few months ago when I was in Ohio last September. The same thing happened to a gun guy on YouTube recently. He was shooting Lake City 7.62. Undersized ammo was the only thing he could think of. Can you think of any other reason why it would do this? I’m just glad it didn’t send the end cap down range and take the treads with it.
 
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It wasn’t jacket separation. There was a clean .308 round that was keyholed in the target.
 
Aisin said:
It wasn’t jacket separation. There was a clean .308 round that was keyholed in the target.
Click to expand...
No chance. Unless you're 10 feet from the target, or shooting at a barn, an end cap strike like that and the bullet is WAY off target. Jacket separation would make more sense if it's what cap struck. Less chance of drastically affecting the bullet.

But if it stayed in tact, I can't get behind a keyhole at 12" off POA or some such.


I actually hunted with a dude who was so overcharged on his reloads, pushing velocity way past safe, his copper jackets came off inflight and imbedded I'm the deers horns he was shooting.

I don't think it was a jacket separation either
 
Texas97 said:
No chance. Unless you're 10 feet from the target, or shooting at a barn, an end cap strike like that and the bullet is WAY off target. Jacket separation would make more sense if it's what cap struck. Less chance of drastically affecting the bullet.

But if it stayed in tact, I can't get behind a keyhole at 12" off POA or some such.


I actually hunted with a dude who was so overcharged on his reloads, pushing velocity way past safe, his copper jackets came off inflight and imbedded I'm the deers horns he was shooting.

I don't think it was a jacket separation either
Click to expand...
There was a clear key hole in the target. I don’t exactly remember the distance but it was there. Plain as day. I noticed it on the second magazine of 10 rounds. My father also saw it.
 
Aisin said:
There was a clear key hole in the target. I don’t exactly remember the distance but it was there. Plain as day. I noticed it on the second magazine of 10 rounds. My father also saw it.
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I’ve seen it with a baffle strike on my obsidian 45. Only 15 yards though, but in the 7 ring.
 
Aisin said:
There was a clear key hole in the target. I don’t exactly remember the distance but it was there. Plain as day. I noticed it on the second magazine of 10 rounds. My father also saw it.
Click to expand...
Could it be the rounds were undercharged and not stabilized? Not all but a few?. Would explain the strike and key hole.
 
Texas97 said:
Could it be the rounds were undercharged and not stabilized? Not all but a few?. Would explain the strike and key hole.
Click to expand...
None of them felt undercharged. I have the gas cut all the way back with an adjustable gas plug. It probably wouldn’t have cycled the rounds or locked the bolt back.
 
How about a malformed bullet, or an air space in the core. That would probably buzz like crazy and be way off target though.
 
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