Winchester USA Brass .223 Rem Features Winchester has a long-standing reputation for producing ammunition that shooters can rely on. The .223 Rem rounds are no exception. Designed for target shooting these rounds offer consistent ballistics and minimized barrel wear thanks to the full metal jacket bullet. Their brass construction ensures optimal chamber sealing and consistent pressures resulting in reliable performance shot after shot. Winchester USA Brass .223 Rem Specifications Brand: Winchester Ammo Category: Centerfire Rifle Rounds Caliber: .223 Rem Rounds Per Box: 20 Application: Target Shooting Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 55 gr