The oa 2311 pro is the full-size ported powerhouse of the oa defense line-up.Designed and optimized for duty use and high round count range days, the oa 2311 pro delivers maximum performance, accuracy and reliability even under the harshest conditions.Featuring a cut & contoured slide, ported 5" barrel, enhanced trigger, extended mag release paddle and five mags.Fully ambidextrous controls, optic-ready slide, lightning fast cycle time and a modular grip & magwell make make you prepared for all conditions.Includes range bag, safety lock, four slide plates- three optic mounts for rmr, dpp & rmsc footprints and iron sights, three 21rd and two 17rd magazines.Frame Finish: High DesertAction: SAOCaliber: 9mm LugerBarrel Length: 5"Capacity: 17+1Safety: Ambidextrous LeverGrips: Black Metal ModuleSlide Description: Lightening Cut/Optic Cut/Serrated