STACCATO 2011 CS, 9MM, 3.5" BARREL 2- 16 ROUND MAGAZINES, AL FRAME, OPTIC READY W/ MICRO SIGHTS, DLC SLIDE, SS BARREL FLAT V3 TRIGGER. Frame: DLC 7075-Billet Precision Machined Aluminum Barrel: 3.5" Stainless Steel Bull Barrel Recoil System: All New Patent Pending Dawson Precision 3.5" Toolless Recoil System Optic-Ready (Standard): Fiber Optic, Rear: Dawson Precision Patented Optic System - Micro Trigger: 4 - 4.5 lb., Aluminum, Flat Black Length: 7.1"