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Legacy Member
Brazilian State Police tsmg
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12-02-2016 05:19 PM
# ADS
Friends and Sponsors
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Legacy Member
Looks like a few inches or more has been cut off the barrel and fore-end. Early rear sight too
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Legacy Member
They did cut it down for room entry .
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Advisory Panel
I'd be interested in a few more pics too, and a measurement of the barrel...
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Re the cut-short SMG barrels. Same principle applies as discussed in the shorty L1A1 thread. But this time the fired case acts acts as a simple piston - as in Newtons laws. There was always a school of thought put over during after lunch lessons when everyone was slowly loosing interest that in reality, there was no such thing as blow-back operation. Because all blow-back operation was, was a directly acting piston operation - the spent case acts as a cupped piston. Getting heavy now of course but.........
As for the fabled Advanced Primer Ignition fallacy. If it were such a real concept, someone would have patented it, But it's not
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Legacy Member
Real API was patented by Rheinhold Becker in 1913. (Becker 20mm cannon)
After WW1 the Treaty of Versailles banned the Germans from producing them. So, the patents were given to the Swiss company SEMAG. When they folded the Oerlikon company took over the patents and production equipment.
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Advisory Panel
As for the fabled Advanced Primer Ignition fallacy.
We had to teach that during SMG classes too...and I agree it's more balloon juice than reality.
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Legacy Member
When we could take it out, the flame was real impressive with 30 round magazine. Had to try it, I though
it would be. Must have lite up the room when the police fired it
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Legacy Member
Shorter Barrel would also make it more useful in Patrol Cars. It could sit across the 'User's' lap more easily as well.
Sterling provided 10 & 15 round magazines for their SMGs/ Carbines for EXACTLY this reason. (As well as limiting firepower in a Potential Civilian Police 'High Charged' situation scenario).......
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But we didn't purchase the shorter magazines though Tankie nor did the RUC. Has anyone noticed that the Sterling short magazines were simply standard magazines cut short, the fluted ends pressed flat and reworked to take existing retainer. You can only cut SMG barrels back so short and you run out of '.......equal and opposites......'. Then you have to start....... I won't go into it!
Last edited by Peter Laidler; 12-05-2016 at 07:13 AM.
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Thank You to Peter Laidler For This Useful Post: