Removable serialized stainless steel Fire Control Insert (FCI) set inside an interchangeable Magpul Enhanced Handgun Grip (EHG) for enhanced flexibility and customization. Most major components are designed for Gen 3 compatibility with off-the-shelf parts, holsters and accessories. Magpul EHG features Magpul's 3/4-scale TSP texture for a secure grip without discomfort or damage to clothing during concealed carry and textured indexing pads for consistent finger / thumb placement. Specifications and Features: Capacity: 17+1 Grip Frame: Black Magpul Enhanced Handgun Grip Front Sight: Tritium, Co-Witness Height Rear Sight: Steel Drift Adjustable Magazines Included: Two PMAG 17 GL9 Optic Ready: Yes Overall Length: 7.65" Barrel Length: 4.50" Barrel Material: Alloy Steel Barrel Finish: Black FNC Nitride Slide Material: Through-Hardened Alloy Steel Slide Finish: Black FNC Nitride Slide Width: 1" Weight: 23.6 oz.