M4A1 Commando (Model 933) Steel Outer Barrel Material_Polymer -Modification of Hammer Spring &

-Modification of Hammer Spring & High Performance Output Valve turn this pistol into a powerful sidearm

Fitting may be needed as the condition of each airsoft gun might be different

Powerful blow back kick with loud sound

Sight Adjustment Tool

Resemble all the movable feature of a real M4A1

M4A1 Commando (Model 933) Steel Outer Barrel Material_Polymer -Modification of Hammer Spring &Suitable for TokyoMarui M4A1 M4A1 RIS SR 16 M4. New Vari length design, compatible with most handguard systems. Ex: Knight's RIS RAS FF RAS RAS II, A. R. M. S. SIR System etc. Please check out the review at http: www. blackrain7. com loadout armoury guarder gbarrel. html Dimension: 367 (Overall length) mm Weight: 390 g Color: Black, P Process surface finish technology. Material: Steel Thread: 14mm Negative Applicable inner barrel length: 300 mm Item