CNC Version Tech Spec.: - Coyote Bronze High-glossy oxidation finishing Aluminum CNC slide - With low RMR Optic cut slide allows for co-witness with standard optic sights, with lightweight CNC aluminium scope cover  - Fluted and threaded CNC barrel - Simulated CNC Compensator with TTI trademark  - Hand-made stippling grip with ergonomic design, fits the hand comfortably - Accessory Picatinny Rail Cut, build-in safty - GAS Blowback System - Including steel hammer group - Steel slide takedown catch - Ambidextrous slide stop  - Extended Magazine with Sealed input & output Valves, 30% increased gas capacity    - CNC TTI Tactical Magwell  CNC TTI - TTI Ballerina the official licence from EMG with TTI - Engraved TTI trademarks & lettering marking on both sides and top of slide