New Cartridge Developments and Implications for Dismounted Infantry Soldiers

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the tracers usually have a small cap on the back so it doesn't ignite in the barrel, if im not mistaken they typically dont ignite for 2-300 yards.

Yes, modern tracers are typically designed for delayed ignition, although burn starts at much less than 200 yards. However, that has nothing to do with my question.

have you guys seen the LWMMG, they used the 338 norma catridge in a belt fed can of whoop ***! prob not what you want to lug aorund but it sure does look fun.

Of course it's fun. It's a machine gun!