The Landor Arms BPX 902 Bullpup Shotgun is gas operated and features a 18.50″ barrel with 3 chokes. It also has a bullpup stock, folding front & rear sights, sling swivel, and comes with two 5-round and one 2-round magazines. Includes a smooth-bore barrel.The Landor Arms BPX 902 Bullpup Shotgun is gas operated and features a 18.50″ barrel with 3 chokes. It also has a bullpup stock, folding front & rear sights, sling swivel, and comes with two 5-round and one 2-round magazines. Includes a smooth-bore barrel.