5KU 14.5 inch Outer Barrel (WA GBB)

Expertly crafted by 5KU, the 14.5 Inch One Piece Outer Barrel [For WA M4 GBB Airsoft Series] boasts a durable CNC aluminum construction. Precisely designed for WA M4 gas blowback airsoft or similar models, it's an ideal choice for upgrading your airsoft gun's rear adjust hop up chamber.

• Weight: 250g
• Colour: Black 
• Material: Aluminum  
• Compatibility: WA M4 GBB  Series