Remington UMC 193 55 GR Ball Brass Cased Rifle Ammunition 300 Round. This Remington Ammunition features Round Ball bullets that deliver powerful stopping power perfect precision and reliability. With premium brass cases loaded with round ball bullets. With great promotions on Ammunition and other top-tier rifle ammo from trusted brands like Remington you re sure to find the perfect firepower for your field or range use. Stock up today to save big on ammunition and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for Remington UMC 193 55 GR Ball Brass Cased Rifle Ammunition: Manufacturer: Remington Caliber: 5.56mm Bullet Type: Round Ball Bullet Weight: 55 grain Cartridge Case Material: Brass Package Contents: Remington UMC 193 55 GR Ball Brass Cased Rifle Ammunition Remington 22555: UMC 193 55 GR Ball Brass Cased Rifle Ammunition 300 Round