5KU SI Type Advanced Receiver Extension Stock Tube for WA GBB

Key Features

• Material: Made of high quality aluminum

• Precision CNC machined process

• Hard coating finish

• Mil-Spec stock tube

• 7 position adjustable structure

• Suitable for WA GBB series rifle

• Dimensions (cm): 22 (L)x 6 (W) x 6 (H)

• Weight (gram): 200

• Package includes: Stock Tube x 1

Description

This 5KU SI Type Advanced Receiver Extension Stock Tube for WA GBB is made of high quality aluminum material with high precision CNC machined process. It has hard coating anodized finish surface which made it more durable. It is suitable for WA M4 GBB and features Mil-Spec. 7 position adjustable structure. Regularly shaved off part of the stock tube surface while leaving the necessary areas, as well as reducing friction during telescoping operation.