Guarder SP120 Full Tune-Up Kit for Marui M4A1 Series smith optics WarBear 3/5/7 Inch 4-Piece Outer

WarBear 3/5/7 Inch 4-Piece Outer Barrel Set for M4 AEG/GBB (Silver)  CNC Machined Aluminum Construction  Interchangeable Design for both AEG or GBB version of AR15 / M4 / M16 Series Airsoft Rifle  Include AEG & WA GBB adaptors & 3inch / 5inch / 7inch Long Barrel  You can make use of different parts of this package to form different length of barrel into both AR15 / M4 / M16 Series AEG or GBB  Barrel tip end has Anti-Clockwise 14mm Thread  Super rigid construction for high end upgrade user

- Power Source: Green Gas

High Power / FPS

allowing for a steadier passage way

Full Metal Airsoft Electric Gun (AEG)

Guarder SP120 Full Tune-Up Kit for Marui M4A1 Series smith optics WarBear 3/5/7 Inch 4-Piece OuterA complete kit includes ALL parts for upgrading your Airsoft Electric Gun AEG Guarder made this kit with all suitable parts to super tune up your AEG Rifle The combination of difference parts allow an optimal result & performance Hard and rigid material used, including S303 Stainless Steel, Brass, Polycarbonate, Aluminum, Acetal and Steel As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed