I think he was using "Korean War" vintage ammo, which I've heard is down a bit on power compared to that from the WWII or Vietnam era. Does anyone know how much the performance of the .30 Carbine cartridge itself is affected by extreme cold? - Bob
I think he was using "Korean War" vintage ammo, which I've heard is down a bit on power compared to that from the WWII or Vietnam era. Does anyone know how much the performance of the .30 Carbine cartridge itself is affected by extreme cold? - Bob
Last edited by USGI; 11-02-2014 at 01:12 PM. Reason: spelling