Wolf Performance ammunition is an excellent choice for a high volume shooter, delivering quality and reliability at an affordable price. Wolf Performance features a polymer coating to ensure smooth feeding and extraction. This ammo is new production and is non-corrosive ammunition made in Russia.Wolf Polyformance ammunition features a bi-metal bullet and steel case to provide an inexpensive option for high volume shooters. The Bi-Metal bullet consists of a lead core and a copper plated steel jacket. This affordable ammunition is loaded with high quality Wolf primers for reliable ignition and functioning in adverse conditions. The thin polymer coating helps to ensure smooth feeding and extraction. This ammunition is new production, non-corrosive, in non-reloadable steel cases.Specifications:Caliber:7.62x39mmBullet Type: Full Metal JacketBullet Weight: 122 GrainRounds: 1000Muzzle Velocity: 2,396 fpsMuzzle Energy:1,556 ft lbsJacket Material: Bi MetalCore Material: LeadTip Material:NoneBi-Metal Jacket (Will Attract A Magnet)Berdan PrimedCasing: Steel