Retroarms Screw Set for M4 3K-Carbon Barrel

The Retroarms screw set is designed for mounting the M4 3K-Carbon outer barrel from the same manufacturer. It includes both fixing screws and barrel centering pins, for precise assembly without play.

Features

• Compatible with the Retroarms M4 3K-Carbon barrel
• Includes barrel centering pins

Package Contents

• 2 M3 x 6 mm DIN914 screws
• 2 M3 x 6 mm DIN915 screws
• 3 barrel centering pins