The AR-Shotgun is gas operated and features 18.50" with 3 chokes. I also has a folding front & rear sights, sling swivel, and comes with two 5-round and one 2-round magazines. Brand Landor Arms Category Tactical Shotguns Model AR-Shotgun Gauge 12 Gauge Stock Finish Black Action Semi-Auto Barrel Length Range 18" to 18.99" Sights Flip Up Front & Rear Capacity 2+1 Application Tactical Chokes Included 3 Hand Right Includes 3 Magazines Receiver Finish Black Receiver Material Steel Stock Finish Group Black Stock Material Synthetic Barrel Finish Black Search Code LANDOR Similar Items SGA12 Barrel Length 18.50"