G&G SR-25 Spacer for M4 Chamber Conversion Hoodie Version 2 switchboard for GEN3

Version 2 switchboard for GEN3 Fusion Engine

Hop Up Thing — Barrel Slot Bushings

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

not all manufacturers designed their rifle models to the exact same specifications

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

G&G SR-25 Spacer for M4 Chamber Conversion Hoodie Version 2 switchboard for GEN3This 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.