NUPROL - BOCCA Series Two GBB / AEG Rail 7'' - Black is a Hand guard Designed to replace the standard on Airsoft M4/15/16 AR Platform AEG and Gas Blowback Rifles, based on the Daniels Defence Rail System this is a great replacement for Stock Hand guard which gives Access to Four Full Length 20mm RIS / RAS Rails. The Hand guard is constructed entirely from Alloy, and comes disassembled into its Four Component Parts: The Barrel Nut(s), Rear Plate, Main Rail and Bottom Rail. The hand guard comes with barrel nuts for fitting the hand guard to both AEG Electric Rifles and Gas Blowback Rifles, allowing it to fit on almost any M4 Style Airsoft Weapon, and is secured to the weapon via seven screws for extra hold. The Rail comes with everything needed to fit it, including the Barrel Nuts, Screws and Allen Keys. The Hand guard features a removable bottom rail, giving access to the space around the barrel easily, meaning batteries can be stored internally should your weapon be front wired. The hand guard features a four rail 20mm RIS / RAS System, allowing you to attach a multitude of additional extras, such as Sights and Scopes to the top, Lasers and Lights to the sides and Grips, Fore grips and Launchers to the Lower Rail. This is the perfect purchase for any Airsoft Skirmisher looking to spice up their rifle, and make it their own, and at a great price too.