X-Treme Bullets 357 Sig Caliber Pistol Bullets 125 Grain Flat Point 500 Bullets. 357 SIG Cartridge Type: Brass Bullet Weight: 125 grain Diameter: 0.429 in Core Material: Lead Jacket Material: Copper Bullet Quantity: 500 Bullet Package Contents: X-Treme Bullets 357 Sig Caliber Pistol Bullets 125 Grain Flat Point X-Treme Bullets X-Treme 357 Sig Caliber Pistol Bullets 125 Grain Flat Point 500 Bullets