300 Rum Brass For Sale – Ultra Mag Brass For Sale
50 factory new Peterson Cartridge’s unprimed 300 RUM (300 Remington Ultra Magnum) brass rifle cases packaged from bulk.
All Peterson Cartridge casings in this bag have passed a 100% inspection for visual, structural and dimensional defects. Casings are consistent in weight, perfectly annealed and finished. A heavier case that rivals the quality of other named premium brass manufactures.