Landor Arms AR 12 Gauge Semi-Automatic Shotgun 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. Chamber: 3" Capacity:... MSRP: Was: Now: $669.99 Add to Cart