Manufactured by Eley. Wolf Match Target .22 LR 40 gr RN Rimfire Ammo - 50/box comes with 50 rounds in a box and is designed for .22 long rifles. The 40-grain round nose bullets feature a solid projectile jacket and 1,050 feet per second muzzle velocity. Wolf includes a 100 percent performance guarantee with every purchase. The ammunition uses clean burning powder as well as primer ignition that is ultra-reliable, letting you rest assured that you are using one of the cartridges with the strictest requirements.