G&P Aluminum Tank AEG Outer Barrel (6.5inch, 14mm CW) NYCO How can I put it

How can I put it simply

Shotgun Receiver Rail (Long) (Marui)

Most parts are made out of steel but others are made out of a fiber reinforced polymer which you can find on a real AK

4V Fit Battery Pack Mini / Handguard (Nickel / Li-Po) Barrel Thread Type No Thread Barrel Thread Diameter 14mm Magazine Capacity 90 Bullet Type 6mm BB Power (Muzzle Velocity) 320 FPS Package Includes King Arms FAL Airsoft AEG Rifle (Folding Stock Version) 90 rounds Magazine Full Metal Flashhider Plastic Bullet Loading Tool Instruction Manual (English) Original Box Manufacturer King Arms

G&P Aluminum Tank AEG Outer Barrel (6.5inch, 14mm CW) NYCO How can I put itG&P Aluminum Tank AEG Outer Barrel (6. 5inch, 14mm CW) Reinforced Aluminum Constructed One Piece Barrel For Auto Electric Gun (GP738A GP738B GP738C) Fit for G&P Front Set(GP839) RAS series to install with Marui Barrel tip end has Clockwise 14mm Thread Super rigid construction for high end upgrade user SKU GP OTB BRL006 UPC N A Item Weight (gram) 110 Major Color Black Length 167mm Adaptive End 14mm Clockwise Built Material Aluminum Manufacturer G&P