Handgun Projectiles Features Lightning Ammo s line of bullets include the .22 Caliber .224 Diameter 55 grain FMJ-BT with cannelure as well as 35 precision hard cast bullets / cowboy bullets. Lightning Ammo also reconditions cleans and polishes fired brass casings in over 20 different calibers. These bullets are .45 Cal 200 Grain LRN lead cast handgun bullets. Handgun Projectiles Specifications Brand: Lightning Ammo Bullet Material: Lead Bullet Type: LRN Grain: 200 Gr Reloading Caliber: 45 Cal Reloading Diameter: .452 Rounds: 100