For sale, 1000 round bulk case of Winchester Lake City 55 gr. .223 Remington FMJ (Full Metal Jacket), ammunition is new manufacture, and is usable in all .223 Remington and 5.56 firearms. Head stamp “L C 223 REM” indicates manufacture at the Lake City Army Ammunition Plant in Independence, Missouri, operated by Winchester Ammunition, where a majority of US military small arms ammunition is manufactured, and “223 REM” which isthe cartridge nomenclature. This is military-grade ammunition, .223 Rem by the Lake City Army Ammunition Plant, which is the same operation that supplies materiel to all branches of the U.S. Armed Forces. This cartridge features a 55 grain full metal jacket, which consists of a gilding metal shell wrapped around a solid lead core. This ammo is loaded with noncorrosive Boxer primers and new production reloadable brass cases. Cases have mottled appearance, they are only cosmetically discolored because Lake City doesn’t waste time and effort polishing their military-grade brass cases. Muzzle Velocity of 3240 FPS, with a Muzzle Energy of 1282. Selling case for $600.00, price is firm. Cash only, not interested in trades, FTF Plano, Texas.