Tron900 said:
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..weighs only 5Kg loaded...
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That's quite a lot. An RK-95, using the 7.62x39mm ammo, with a full clip of 30 weights around 4,5kg; 3,7 without a clip. So 5kg is in fact quite a lot for a gun that is supposed to be saving weight. How big a clip are we talking about with the G11? 30? 40? 50?
I think you got a mistake there somewhere. No way G11 can weight 5kg fully loaded, unless it's with an insane amount of ammo in the mag.
EDIT: Didn't G11 also suffer from serious ammunition cook-off problem, resulting precisely from using caseless ammo? with normal ammo the casing absorbs a lot of the heat and is then ejected rapidly, preventing the actual chamber from becoming too hot. With caseless ammo the heat would have to stay in the chamber and risk prematurely igniting the next bullet...?