BIRCHWOOD CASEY - Super Black™ Touch-Up Pen - Gloss Black (BPP) Keymod Rail Modification may need for installing

Modification may need for installing this kit on the other brand M4 GBB Series

There is a build-in adjustable iron sight on the top rail and two fixed backup iron sights on both sides of the optical sight base

ICS¡¯s innovative split gearbox design is modular making the upgrade possibilities virtually limitless

Black)  6061 T6 Aluminum Construction (Hard Coated Anodizing Finish)  Uultra light-weight  The KeyMod system offers a mounting platform for a variety of accessories and components (User friendly mounting Keymod accessories)  Component placement at eight different angles  Perfect Compatible with Tokyo Marui Profile M4 Upper Recever  Length: 335 mm

4V-12V Fit Battery Pack Crane Stock (Nickel / Li-Po) Barrel Thread Type Counter-Clockwise Barrel Thread Diameter 14mm Magazine Capacity 300 Rounds Bullet Type 6mm BB Power (Muzzle Velocity) 300-320FPS Package Includes King Arms LaRue 12

BIRCHWOOD CASEY - Super Black™ Touch-Up Pen - Gloss Black (BPP) Keymod Rail Modification may need for installingAn easy and effective way to touch up nicks, scratches and worn areas of black anodized aluminum or black painted surfaces. The pen contains a fast drying, lead free paint with superior adhesion and durability that helps fill in deep scratches or worn areas. These special formulations are for use on highly polished and matte finished alloy gun receivers, trigger guards, scopes, binoculars, cameras, flashlights, fishing reels and other sporting