related tags: 0079DE 1D2821 206C9F 2A7EBA 316thesc 316thsustainmentcommandexpeditionary 4E7896 504B3E 50cal 5890B6 594E36 6F8B9E explosion forthood m240bmachinegun m2machinegun nightfire predeployment qualification range tracer tracers usar usarmy usarmyreserve 202522