Ultimate Arms Gear Lightweight Stealth Titanium Gray Textured Aluminum Weaver-Picatinny Grip, For ATI German Sports Gun GSG5 GSG-5 GSG 5 Rifle 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 a vibrant Stealth Titanium Gray.