Panzer M4 Pro AL Tactical Specifications Manufacturer: Panzer Model: M4 Pro AL Tactical Type: Semi-Automatic Shotgun Action: Semi-Automatic Gas-Operated Dual Piston Gauge: 12 Gauge Chamber: 3" Barrel Length: 18.5" Barrel Material: 4140 Steel Barrel Finish: Distressed Copper Cerakote Capacity: 5+1 Receiver Material: 7075-T6 Aluminum Receiver Finish: Distressed Copper Cerakote Stock Description: Fixed Skeleton with Integrated 3-Position Recoil Buffer Tube, Adjustable Cheek Riser, and Pistol Grip Stock Material: Polymer and Steel Stock Finish: Matte Black Forend Material: Aluminum Forend Finish: Matte Black Anodized Attachment Style: M-LOK and Picatinny Rail with Aluminum Picatinny Barrel Clamp and Integrated QD Sling Mounts Sights: Adjustable Ghost Ring Rear and Blade Front Safety: Ambidextrous Crossbolt Hand: Ambidextrous Overall Length: 40" Weight: 7.8 lbs. Compatible Components: Benelli M4 Included: Bronze Titanium-Coated Door Breacher, Match Saver, Choke Tube Set, User Manual