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.20 Round BoxSpecifications:Manufacturer Number:MC6.5Gren FMJCaliber: 6.5 GrendelBullet Type: Full Metal JacketBullet Weight: 100 GrainRounds: 20Muzzle Velocity: 2707 fpsMuzzle Energy: 1627 ft.lbsJacket Material: Bi-Metal (Will attract a magnet)Core Material: LeadBerdan PrimedCasing: :Lacquer Coated Steel