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Found these 7.62mm casings interesting
- Thread starter Ammo Rob
- Start date
DreamPhoto
Well-Known Member
7,62x51 Nato from Dynamit Actien Gesellschaft Nurnberg - Germany and Industrie Valcartier Incorporee Quebec - Canada
Cheers !
Cheers !
TonyE
HONOURED MEMBER RIP
Fluted chamber
Fluted chambers were developed during WW2 by the Germans. The chamber of a weapon is "fluted", i.e. longitudinal cuts are made in the metal a few thou deep, usually tapering towards the front of the chamber. They do not reach all the way back to the rear of the case.
When the cartridge is fired a wash of gas escapes backwards down the grooves of flutes and "floats" the cartridge case away from the chamber wall, but the case still seals on the rear part. The result is far easier extraction because the case is not sticking to the chamber walls.
The principle was used in such weapons as the VG 1/5 and Gerat 06 right at the end of the war.
Post war Vollgrimmer and other Germans went to spain to work at CETME and from that developed the G3 and other Heckler & Koch weapons. As Jonny says, the fluted chambers of H & K weapons is a bit of a trade mark.
Regards
TonyE
Fluted chambers were developed during WW2 by the Germans. The chamber of a weapon is "fluted", i.e. longitudinal cuts are made in the metal a few thou deep, usually tapering towards the front of the chamber. They do not reach all the way back to the rear of the case.
When the cartridge is fired a wash of gas escapes backwards down the grooves of flutes and "floats" the cartridge case away from the chamber wall, but the case still seals on the rear part. The result is far easier extraction because the case is not sticking to the chamber walls.
The principle was used in such weapons as the VG 1/5 and Gerat 06 right at the end of the war.
Post war Vollgrimmer and other Germans went to spain to work at CETME and from that developed the G3 and other Heckler & Koch weapons. As Jonny says, the fluted chambers of H & K weapons is a bit of a trade mark.
Regards
TonyE
