X-Treme Bullets .30 Carbine Round Nose 110 Grain Pistol Ammo 500 Rounds XB30CR110N. Our process starts with a lead billet that is extruded into wire. The lead wire is then swaged into a core. The cores are copper plated then restruck once more. Though not common in the industry this restrike process produces a bullet that is more uniform with a more precise diameter and a smoother finish for a better shooting and better looking bullet. Specifications for X-Treme Bullets Pistol Bullets .30 Carbine Round Nose 110 Grain: Manufacturer: X-Treme Bullets Gun Type: Pistol Bullet Type: Round Nose (RN) Caliber: .30 Carbine Cartridge Type: Brass Bullet Weight: 110 grain Diameter: 0.308 in Core Material: Lead Projectile Caliber: .30 Caliber Bullet Quantity: 500 Bullet Package Contents: X-Treme Bullets Pistol Bullets .30 Carbine Round Nose 110 Grain X-Treme Bullets XB30CR110N: .30 Carbine Round Nose 110 Grain Pistol Ammo 500 Rounds