Winchester Suppressed .22LR 45 Grain Black Copper Plated Round Nose Brass Cased Rifle Ammunition 350 Rounds. Offering clean and reliable performance the Super Suppressed line is engineered for noise reduction decreased barrel/suppressor fouling and recoil mitigation. Consistent performace and exceptional accuracy is backed by generations of Winchester legendary excellence. Specifications for Winchester Suppressed .22LR 45 Grain Black Copper Plated Round Nose Brass Cased Rifle Ammunition: Manufacturer: Winchester Caliber: .22 Long Rifle Number of Rounds: 350 Bullet Type: Black Copper Plated Bullet Weight: 45 grain Cartridge Case Material: Brass Muzzle Velocity: 1090 ft/s Application: Small Game Package Contents: Winchester Suppressed .22LR 45 Grain Black Copper Plated Round Nose Brass Cased Rifle Ammunition What is Winchester Suppressed .22LR 45 Grain Black Copper Plated Round Nose Brass Cased Rifle Ammunition good for? The manufacturer says that it is good for small game.Winchester SUP22LRB2: Suppressed .22LR 45 Grain Black Copper Plated Round Nose Brass Cased Rifle Ammunition 350 Rounds