Another cartridge quiz

[RCS]

There are four cartridges in my photo, none are "wildcats", try and guess themAttachment 56945

Information

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[303tom]

7.63x39
.220 Russian
5.45x39
6mm Rem.

[vintage hunter]

Last one is a 4.85x49 British

[RCS]

You guys know your cartridges ! got them all correct: 7,62x39mm, 220 Russian (5.6x39mm), 5,45x39mm and 4,85x49mm British

[303tom]

Last one is a 4.85x49 British

That would have been my 2nd guess...............

[RCS]

try and guess the cartridges - clue-Attachment 56950 far left has a WRA CO stamp and caliber, middle has a REM-UMC stamp and caliber while the last has some letters and 17

[Al Diehl]

9.8mm Colt, .45 Win Mag and .455 Webley Auto Mk I (E-17 and an I headstamp?).

Al

[green]

Middle is a 45 Thompson.

[browningautorifle]

Middle is a 45 Thompson

So...is that the cartridge designed for the M1923 Thompson? 16" BBL and bipod...?

[RCS]

correct answer! 45 Thompson Model 1923, all the headstamps REM-UMC, WRA Co and USCCo also have 45 ACP in their headstamp. A 250 gr bullet at 1450 FPS from a 14 1/2 inch barrel