Dark Alley Dan
CGN Ultra frequent flyer
- Location
- Darkest Edmonton
100% agreed. A well-stocked library is a great comfort. 
9X25 Mauser was also called the 9mm Mauser Export.
Think of a 7.63 Mauser cartridge opened up to a straight case, 128-grain slug and loaded to the nuts. That's it.
I have a GECO round here headstamped "GECO 9m/mM". It came in with a batch of 9mm Steyr ammo which came out of Chile after the old Steyrs did their last job of shooting all the Communists. I would assume from that cartridge that some of the SMGs or possibly commercial Mauser pistols chambered for the Export cartridge must have gone to Chile between the Wars.
Frank C. Barnes chronographed original rounds and put the results in COTW-6. He gives the MV as 1362 ft/sec with original DWM ammo, no indication as to barrel length although likely 5 inches, for 534 ft/lbs ME, beating out the legendary .45 Auto by 130 ft/lbs ME: a clear 32% advantage to the Mauser.
Coming out of a long barrel in a Kiraly-system SMG, velocity would be much higher and it would have been an effective 200-metre round.
Er, hi Smelley,
Did you forget to attach a pic to your post? :0]
I'm enjoying this thread. Lots to learn, even for a guy pushing 50...
...And getting visited by some of Adolf's friendly peacekeepers:
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Buddy looks like a militant art student. All he needs is a Dali moustache...
]
New day, new pic, new hemisphere:
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The happy lads of the IJA in China, 1939, bringing joy and happiness to the local hillbillies via the gentle harmonious effects of the Greater East Asia Co-Prosperity Sphere. Also on tap: gunfire, excessive violence, and a level of rape and pillage not seen in the neighbourhood since the excesses of Jengis Khan, back in the day.
Name that rifle being hauled by Happy lad #3... And I assume those are BREN guns, but somehow reckon I'm wrong. When did we send the Chinese folks the Long Branch guns? Were they already in service in China by 1939, waiting to be captured by the Japanese?
I had an M-3 'grease gun' when I was in Armored A.I.T. at Ft. Knox. It was far and away the crudest POS I've ever had the misfortune of handling.
Our instructors kept on telling us how crudely made the AKs were, but we never actually examined one until years later. HAH! The AK looked like it had been made by a watchmaker next to the greasy gun! The trigger on mine was nearly an inch wide. The entire unit might've been manufactured in a kids' cap-gun factory--just larger scale stampings. What's worse-- the example I had was as likely to run away and empty all 30 rounds when I tried to
squeeze off a single semi-auto shot. NCO didn't believe me until next time at the range when I held it by the mag, touched the trigger, then held my right hand aloft while the gun went merrily 'tut-tut-tutting' 30 times. Then he caught on to what I'd been complaining about. The whole time he was screaming,
"KEEP THAT THING POINTED DOWN RANGE!!!!!!!!!"
Ha-ha! Good times. (8;^]