Oa Defense 2311 Pro Elite w/Kit Full Size 9mm Luger 21+1 5" Black DLC Ported Barrel, High Desert Lightening Cut/Optic Cut/Serrated Stainless Steel Slide, High Desert Aluminum Frame w/Picatinny Rail, Black Metal Module Grip, 5 Mags 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.