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Todays gun thread...reloading ammo

 
SPUD
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03/30/2010 01:55 PM
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Todays gun thread...reloading ammo
Alrighty then,
I learned something yesterday that I didn't know...imagine that!!????!!!

Some pistols headspace off the bullet....like glocks and smith 1076's 10mm, etc...
That means the bullet setting depth is really important....and also, some of these guns(the above, and others) have a unsupported area (that is quite large) near the base of the brass....
I learned this when we blew the mag into pieces, and pistol grips off a S+W 1076 10 mm yesterday. Unknown internal damage. It looks like pieces are missing and shits bent up in the lower!!!


Can anyone say....duh??

You can tell by putting the bullet into the chamber and see if it goes ALL the way in and the rim of the brass is all that is showing....OR.... the bullet is all hung out there and not supported as you would hope it would be.

Last Edited by SPUD on 03/30/2010 03:33 PM
"Of all the things I've lost, I miss my mind the most"
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"May your chains rest lightly upon you..."
SPUD  (OP)

User ID: 888788
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03/30/2010 02:06 PM
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Re: Todays gun thread...reloading ammo
I won't have anymore pistols with that design....not cool.

This one blew because it was a little hot, a little over crimped, and not headspaced exactly. That's all I can figure. It was used brass, also...a unknown variable. It's impossible to find 10mm brass...you take what you can get.

Conclusion...


Fuck that!!!

Last Edited by SPUD on 03/30/2010 02:29 PM
"Of all the things I've lost, I miss my mind the most"
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"May your chains rest lightly upon you..."
Resister

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03/30/2010 02:11 PM

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Re: Todays gun thread...reloading ammo
Get a Tarus Judge. With a 2 1/2 to 3 inch cylinder, you don't have to worry about headspace ;)
"God forbid we should ever be 20 years without such a rebellion. The people cannot be all, & always, well informed... If they remain quiet under such misconceptions it is a lethargy, the forerunner of death to the public liberty... Let them take arms... What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time with the blood of patriots & tyrants. " - Thomas Jefferson in 1787
SPUD  (OP)

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03/30/2010 02:20 PM
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Re: Todays gun thread...reloading ammo
Revolvers are always good!!

I hear glocks have the unsupported area at the top of the brass, instead of the bottom....which is even shittier... when parts start flying..... upwards!!!
At least with the S+W...when you have a failure... parts and pieces are flying downwards and out.


I don't think anyone should shoot +P or above through such a designed weapon...you may get a rude shock!

Last Edited by SPUD on 03/30/2010 02:29 PM
"Of all the things I've lost, I miss my mind the most"
___________
"May your chains rest lightly upon you..."
Anonymous Coward
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03/30/2010 02:40 PM
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Re: Todays gun thread...reloading ammo
I won't have anymore pistols with that design....not cool.

This one blew because it was a little hot, a little over crimped, and not headspaced exactly. That's all I can figure. It was used brass, also...unknown. It's impossible to find 10mm brass...you take what you can get.

Conclusion...


Fuck that!!!
 Quoting: SPUD


the 10mm does indeed headspace off the case mouth, as do all straight-walled-rimless cartridges
Anonymous Coward
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03/30/2010 02:43 PM
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Re: Todays gun thread...reloading ammo
Get a Tarus Judge. With a 2 1/2 to 3 inch cylinder, you don't have to worry about headspace ;)
 Quoting: Resister


All you really need is a good snake gun.

+1
SPUD  (OP)

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03/30/2010 02:56 PM
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Re: Todays gun thread...reloading ammo
I think it was a combination of miscalculations including how many times the brass had been fired, already(possibly)....not to mention a shitty design for a chamber.... IMO

I'll never own another such design. Even if it was technically MY fault...which it was!
Bullet goes boom...and nothing is containing or supporting the rear section of the shell wall. WTF?

Last Edited by SPUD on 03/30/2010 03:11 PM
"Of all the things I've lost, I miss my mind the most"
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"May your chains rest lightly upon you..."
Maguyver

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03/30/2010 03:16 PM
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Re: Todays gun thread...reloading ammo
The unsupported portion of the chamber is the feed ramp. Some manufaturers make 'em that way to shorten up the OAL by just a little. If your brass is in good shape, you really have nothing to worry about. And stay away from +p+, imho, with an unsupported chamber.

On recycled brass, there can be a bit of corrosion inside at the case rim. That's a stress point. (that's why the big magnum rifle cases are belted)

10mm generates a lot of chamber pressure. I'd probably only use new ammo or reload using new brass unless I was reducing the charge for plinking loads.

cheers
Adversity is inevitable, misery is optional.

Do or do not. There is no try.

"The enemy will never attack where you are strongest...He will attack where you are weakest. If you do not know your weakest point, be certain, your enemy will." Sun Tzu
SPUD  (OP)

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03/30/2010 03:24 PM
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Re: Todays gun thread...reloading ammo
Nobody got hurt...and we learned something new!!!

YEEE HAWWWW!

We're having fun now!!!


Gun went boom..... Literally!!

Last Edited by SPUD on 03/30/2010 03:29 PM
"Of all the things I've lost, I miss my mind the most"
___________
"May your chains rest lightly upon you..."
Resister

User ID: 669410
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03/30/2010 03:33 PM

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Re: Todays gun thread...reloading ammo
Nobody got hurt...and we learned something new!!!

YEEE HAWWWW!

We're having fun now!!!


Gun went boom..... Literally!!
 Quoting: SPUD

We can laugh at things that go wrong after the fact when no one is hurt. Been there done that myself. But seriously, please be careful re-loading. Measure your powder and don't exceed the SAMMI specs or next boom could take your fingers off.
"God forbid we should ever be 20 years without such a rebellion. The people cannot be all, & always, well informed... If they remain quiet under such misconceptions it is a lethargy, the forerunner of death to the public liberty... Let them take arms... What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time with the blood of patriots & tyrants. " - Thomas Jefferson in 1787
SPUD  (OP)

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03/30/2010 03:41 PM
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Re: Todays gun thread...reloading ammo
Really, it was fucked up all the way around. Used Truncated Cone Bevel Base bullets(all lead), and they had to be seated further than I liked to clear the rifling....used alliant pistol powder...and alliants web sight only has one charge as far as data goes for the 10mm????????? for a bullet that isn't even in production that I've heard of.....the brass was of unknown usage...the chamber was unsupported...all put together, it was an explosion waiting to happen....it appears.
I'm going to re evaluate and not take anymore chances....although, I can't say I saw this one coming....to be honest. I thought I was underdoing the load, if anything. It very well may have been the brass.

Last Edited by SPUD on 03/30/2010 03:46 PM
"Of all the things I've lost, I miss my mind the most"
___________
"May your chains rest lightly upon you..."





GLP