All 940 Pro Waterfowl shotguns now come optic-ready with patent-pending receiver cuts that accept direct mounting of Shield RMSc-pattern micro dot sights for improved eye alignment and target acquisition. Inside you will find a host of corrosion-resistant internal parts including a boron-nitride coated gas piston magazine tube and hammer and sear for improved performance in the blind in the pit or while traversing upland fields. For additional protection our 940 Pro Waterfowl models feature a coated return spring tube chrome-lined chambers and bores and a stainless steel return spring to help when facing wet unforgiving conditions. - Optic-Ready (Shield RMSc Footprint) - Clean-running Gas-vent System - Quick-empty Magazine Release - Adjustable Length of Pull - Drilled and Tapped Receiver - Self-Draining Stock - Chrome-lined Chamber/Bore - Stainless Steel Return Spring - Adjustable for Drop at Comb/Cast - HIVIZ CompSight Fiber Optic Sight - Gauge 12 Gauge - Action Type Semi-Auto - Chamber Size 3 - Usage Hunting / Sporting - Barrel Type Vent Rib - Barrel Length 28 - Barrel Finish Cerakote Patriot Brown - Choke X-Factor Ext Tube - Capacity 4+1 - Length 48.75 - LOP 13-14.25 - LOP Type Adjustable - Sights Front FO; Optic-Ready - Stock Adj. LOP Cast Drop - Synthetic (MO Original Bottomland) - Weight 7.75