G&P MK18 MOD O RIS Rail Handguard

G&P MK18 MOD O RIS Rail Handguard Aluminum 6063 Construction 20mm Picatinny Rail System Design For Mount any Scopes, Flashlights & Laser Sights & Foregrip With heat shields Can Fit G&P Front Set For Marui M4 / M16 Series Length (Rail): 165mm