tracer cartridges of various calibers

12 56mm 56x45mm 62mm 62x51mm 7mm 9mm 9x19mm ammo ammunition assault bmg brass browning bullet caliber cartridge close closeup copper corroded explosive four high isolate isolated m16 machinegun military nato old parabellum power projectile red rifle scratch scratched shell stand standing submachinegun tipped tracer up uzi vertical weapon white