I have up for sale once fired military brass from an Airforce base in South Dakota. The brass has been deprimed, sized, primer pocket crimp removed, trimed to max length and Tumbled. Clean inside and out. If you have any queswtions I will be happy to answer them. You can send me a private...
Cats is right on. Its called dezincafication. Pinkish white spots on that dark area. The brass we use in ammo is 70% copper and 30% Zinc. The zinc can start to oxidize and once started can not be stoped. Even after cleaning and polishing it it may look fine but is weaker and may not hold the...