CAL-X KIT CROSS 308WIN 24" 8900427 Manufacturer Model Number: 8900427 Manufacturer: SIG SAUER Model: Caliber X-Change Kit Cross Caliber: 308 Win Type: Accessory-Kits Item Type: Accessory Shipping Weight: 5.45 Feature: Includes Barrel Nut Feature: Includes Thread Protector Cap Optic Adjustable Objective: false Optic Reticle Illuminated: false