Guarder Bore-Up Cylinder Set for Marui M4A1/SR16/M733 Muzzle 2 small pockets with velcro

2 small pockets with velcro tab closure on each bottom of the pants-

Switch Assembly (Back to Buttstock)

- Simple Rail System

Because of its distinctive report

Official H&K (HECKLER & KOCH) Licensed Authentic Marking on Body

Guarder Bore-Up Cylinder Set for Marui M4A1/SR16/M733 Muzzle 2 small pockets with velcroEssential 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