MAC 2 TAC 12/18.5 NI/SY 3" 21000158 Manufacturer Model Number: 21000158 Manufacturer: Military Armament Corp Model: MAC 2 Tactical Caliber: 12 Gauge Type: Shotgun Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 4 + 1 Finish: Nickel Sights: RS: Ghost Ring FS: Blade Stock Frame Grips: Synthetic Stock Synthetic Overall Length: 47.8" Weight: 6 lbs. 8 oz. Shipping Weight: 8.95 Feature: Inertia Operating System Optic Adjustable Objective: false Optic Reticle Illuminated: false