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Old 11-25-2012, 22:54   #1
DEE50
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90 MM Information

Gentlemen,

I have a 90MM AP-T T33E7 Tank Round and I was wondering if anyone knows anything more about this round than the information that I have just given? Such as velocity, weight and use of bullet etc.

Only serious responses with genuine intentions of helping please.
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Old 11-26-2012, 19:26   #2
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Google is your friend.

http://www.lonesentry.com/manuals/90...ion/index.html
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Old 11-26-2012, 20:32   #3
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It's amazing what you young whipper snappers can find. Thanks!
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Old 12-01-2012, 20:48   #4
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One more question. The casing is a brownish color, was it initially this color or is it from years of tarnish?

Any help much appreciated.

Last edited by DEE50; 12-01-2012 at 20:48..
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Old 12-01-2012, 20:56   #5
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Originally Posted by DEE50 View Post
One more question. The casing is a brownish color, was it initially this color or is it from years of tarnish?

Any help much appreciated.
I would need a picture to be sure but they came from the factory with a brass shell casing.
What you have there is pretty interesting when it comes to Tank ammo, I beleive that was about the last of the non sabot AP ammo used.
I hope it is demilled, it takes about .5 volts to ignite the primer on todays ammo, not sure what it would be on that one.
That thing might have been on a Super Sherman all the way up to a M48.
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Old 12-01-2012, 21:05   #6
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General Firearms Forum

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This is my exact round. 90MM AP-T T33E7

I got this round as a birthday present and the price paid was about $100.00
Is this a decent deal?

Last edited by DEE50; 12-01-2012 at 21:11..
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Old 12-02-2012, 00:17   #7
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That's what we collectors call patina - tarnish.

What does it say on the bottom of the case?

I have a 90mm AAA round I'll post picts of tomorrow.

As for the price, I'm not sure.
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Old 12-02-2012, 00:49   #8
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I rubbed the side slightly with sandpaper and it is without a doubt a steel casing. The question is, how did this bullet look originally??
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Old 12-02-2012, 00:51   #9
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Pretty cool knick-knack to have around, and the link that Sgt_Gold provided with the ballistics and penetration testing is great stuff. Having a round big enough to have a "wind shield" is opening up a whole new world in a collection.

Bad thing is, I think you'll have a hard time finding reloading dies for it.
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Old 12-02-2012, 00:54   #10
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Pretty cool knick-knack to have around, and the link that Sgt_Gold provided with the ballistics and penetration testing is great stuff. Having a round big enough to have a "wind shield" is opening up a whole new world in a collection.

Bad thing is, I think you'll have a hard time finding reloading dies for it.
That's why the M103's 120mm shell is better. It's a two part, one is the projectile the other is propellant and ignition source. It makes is a lot easier to reload
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Old 12-02-2012, 06:55   #11
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I really, really hope that has been demilled. Otherwise you have an destructive device that requires an ATF Form 4 ($200 tax stamp) to legally possess. Good thing it is AP and not HE so it is possible it has been demilled (demilling an HE round is much more complicated process than AP).

I love artillery, but I would stick to black powder, muzzle loaders to avoid interactions with ATF.
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Old 12-02-2012, 07:04   #12
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I'm pretty sure it should be brass, no more sandpaper though, try a chemical like brasso and a soft cloth.
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Old 12-02-2012, 07:16   #13
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Quote:
Originally Posted by DEE50 View Post
General Firearms Forum

General Firearms Forum

This is my exact round. 90MM AP-T T33E7

I got this round as a birthday present and the price paid was about $100.00
Is this a decent deal?
Yes. That is a very good deal. They sell for about $300.
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Old 12-02-2012, 09:37   #14
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I'm pretty sure it should be brass, no more sandpaper though, try a chemical like brasso and a soft cloth.
No the casing is steel, as well as the projectile.
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Old 12-02-2012, 14:10   #15
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Apparently no one really knows anything about this round or even has one considering I'm being told my lacquered steel casing is brass with tarnish and most didn't know a general ball park price. Also the article from Lonesentry is the only one I have seen like it.
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Old 12-02-2012, 14:13   #16
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Pshh, still can't match the .3570 round.
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Old 12-02-2012, 15:04   #17
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Quote:
Originally Posted by DEE50 View Post
Apparently no one really knows anything about this round or even has one
I have the AAA M71 version. Mine is dated 1953/54

Quote:
Originally Posted by DEE50 View Post
considering I'm being told my lacquered steel casing is brass with tarnish
My case is brass and was polished before I got it.

Quote:
Originally Posted by DEE50 View Post
and most didn't know a general ball park price.
I didn't pay retail when I bought mine in pieces. It's cool but it's not $300 cool. I probably wouldn't pay any more than $100.


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Also the article from Lonesentry is the only one I have seen like it.
Ok.
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Old 12-16-2012, 14:08   #18
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Bump.
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Old 12-21-2012, 00:54   #19
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Anyone else have more information on this round?
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Old 12-21-2012, 04:15   #20
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I believe Yosemite Sam has the handgun that fires that round. He used it in his arms race with a wascally wabbit.
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