Improve your tactical readiness and close-quarters defense with the Panzer Arms M4 Pro AI Semi Automatic Shotgun. Featuring a 18.5-inch ported barrel that reduces muzzle rise and felt recoil, this semi-automatic platform is driven by a combat-proven gas operating system to deliver flawless cycling and fast, flat-shooting follow-up shots. This model features an aluminum M-LOK handguard for additional accessories, additionally featuring an enhanced bolt release and a knurled rotating charging handle. The bolt, trigger, and key components are titanium coated to provide superior wear resistance. Outfitted with a fixed skeleton stock and an integrated 3-position recoil buffer tube, this optics ready platform ensures custom-feeling ergonomics. Features100% Benelli M4 component compatibletop Picatinny railghost ring sightsfull choke tube set