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90mm U.S. RCL cartridge case

charley777

Well-Known Member
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Greetings to all
Recently acquired a U.S. M-112 case for the 90mm RCL anti-tank gun.
90x413R x98
Very light aluminium case with stencil as shown.
No headstamp because there is no base. This system used a rupture disc.... which presumably incorporated a primer.
I have almost no information on this.
Any image(s) of projectiles would be most welcome :)
The case is shown next to a 75x408R U.S. RCL case for comparison.
 
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