Remington Ammunition 45 ACP 230 Grain Jacketed Hollow Point (50pk) (L45AP7)For nearly 140 years, the Union Metallic Cartridge Company name has been synonymous with some of the finest ammunition made in the United States. Since its beginning in 1867, UMChas blazed a trail of innovation in cartridge making excellence that continues to this day. UMCwas the first ammunition company to produce centerfire ammunition, the . 22 Long Rifle cartridge, and super accurate "Palma Match" target ammunition. The UMC division makes only