Rifle Bullets Features Lightning Ammo is a division of Kluhsman Machine Inc. in business for over 39 years specializing in the race industry (KRC / Kluhsman Racing Components) and now in the ammunition world. They have always had the highest standard for precision made products. Their goal is to provide the highest quality bullets and to make them available at competitive prices Rifle Bullets Specifications Brand: Lightning Ammo Bullet Type: FMJ-BT Grain: 55 Gr Reloading Caliber: 22 Cal Reloading Diameter: .224 Rounds: 500