M4 A1 FULL METAL DBOYS (3681M)

M4 a1 d/boys full metal
Third generation version
With adjustable hop up
All-metal rifle
Gear box and metal gears
Adjustable abs stock.
Weight 3000gr
Length 78cm-88cm
With closed stock, with extended stock -88cm
Single shot and burst firing modes

SUPPLIED :
300BB magazine