http://www.youtube.com/watch?v=Sx_TwwSICUE

WE-Tech M16VN / A1 Gas Blow Back Rifle
-- Full Metal Receiver & Outer Barrel
-- Nylon Fiber Handguard, Pistol Grip and Fixed Stock
-- Open Bolt System
-- Powerful Weapon reach 400FPS MUZZLE POWER
-- A must collection for Vietnam War Fans & GBB lovers

G&P WOC CAR-15 Gas Blowback Rifle
-- Based on WA M16 Series GBB Aisoft
-- Operated by 50rounds Gas M4 Magazine
-- Full Metal Upgrade include internal & external parts
-- 2-position Extendable Buttstock
-- A must collection for Vietnam War Fans & GBB lovers