Optic-Ready 940 Pro Turkey Autoloaders. 940 Pro Turkey shotguns come optic-ready, with receiver cuts that accept low-profile direct mounting of Shield RMSc-pattern micro dot sights, for improved eye alignment and target acquisition. Inside, you will find a durable gas system that allows for up to 1500 rounds between cleanings, and a host of corrosion-resistant internal parts/finishing (nickel boron-coated gas piston, magazine tube, hammer and sear); plus an enlarged beveled loading port, elongated elevator, and anodized follower for smooth operation. Outside, a self-draining adjustable stock allows for 1.25"" of LOP flexibility, the stock and streamlined forend feature Mossberg Mfg: Mossberg