Ultimate Arms Gear Lightweight Stealth Gray Textured Aluminum Weaver-Picatinny Grip, For Beretta CX4 Rifle Or 12/20 Gauge Shotgun CNC Machined, Constructed From Aircraft Grade Aluminum With A Professional Cerakote Coating Premium Finish Easy Installation. Fits on All 1913 Weaver/Picatinny Systems. O-Ring Sealed Bottom Cap to Secure Inner Storage Compartment For Spare Batteries, Small Tools, etc. Length - 4.75 Inches Weight - 5.8 ounces Professionally coated in Stealth Gray. Is A Direct Match to Magpul Furniture!