G&G SR-25 Spacer for M4 Chamber Conversion Hoodie There is also 10-32 set

There is also 10-32 set screw incorporated into the design which is tightened against the underside of the buffer tube for anti-rotation thus keeping your stock indexed correctly and rock solid

Num Most Commonly Used With Tip (Inches) 1

and any additional components needed to convert the specific airsoft rifle model for which the kit is configured

With the Red Low Flow poppet installed along with one of these higher flow nozzles

A drop-in replacement ring for the PolarStar V2 Hop Up Thing

G&G SR-25 Spacer for M4 Chamber Conversion Hoodie There is also 10-32 setThis delrin spacer allows the G&G SR 25 (GR25) to be used with traditional M4 series hop up chambers in place of the original proprietary chamber. Only compatible with the Fusion Engine.