FCC O-ring Replacement Set for FCC Gen2 Advanced Hopup System

Key Features

• Material: Made of high quality rubber

• durable and lightweight design

• Suitable for FCC Gen2 Advanced Hopup System

• Available in packs of 5

• Dimensions (cm): 6 (L)x 6 (W) x 1 (H)

• Weight (gram): 50

• Package includes: O-Ring Set x 1

Description

This FCC Advanced Buffer Tube Washer Set is made of high quality stainless steel laser cutting in extremely thickness (only 0.1mm thin) for fine tune adjustment of your buffer tube head cap to properly secure the cylinder and Hop-up unit in position.