Guarder Bore-Up Cylinder Set for Marui M4A1/SR16/M733 Muzzle Comprised of a reinforced nylon

Comprised of a reinforced nylon fiber frame and hand guard

- Color : Dark Earth

Switch Assembly (Back to Buttstock)

- Perfer fit for MARUI / WE Glock 17 GBB Pistol

4mm Built Material BRASS Manufacturer Guarder

Guarder Bore-Up Cylinder Set for Marui M4A1/SR16/M733 Muzzle Comprised of a reinforced nylonEssential part for upgrading your Airsoft Electric Gun AEG Durable cylinder with Polished Inner surface guarantee smooth action As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed Package Includes: 1. Stainless Bore Up Cylinder Head 2. Bore Up Air Seal Nozzle 3. Bore Up Ventilation Piston Head 4. Bore Up Chromium Plating Cylinder Bore Up Cylinder Set need to be used with M120 ~ M170 AEG