Bolt airsoft B4 FS urx2 blow back electric gun (black)

GENERAL INFORMATIONS

New full metal model with blowback action tachnology
20mm flat top metal body with m16 lower receiver and flip up sights set
11 inches knight type free floating rail with side slots for sling ring
10 inches outer barrel with gas block and strike impact flash hider
vltor stock with lipo super mini/stick battery end top vane (battery not included)
300rd metal magazine included (compatible with marui)
length: 770/845mm
peso: 3010g

equiped with the famous hard recoil action patented system 
finally available the modern assoult rifle configuration combined with the ver.3 hard shock recoil engine
the relevant recoil energy action give an extraordinary feeling on the stock pad
the special non friction design give better battery save and low conpsume to the movable parts
unlike other blowback models the bolt system is extremely reliably and use lot of common components

TECHNICAL DATA
-reinforced gear box with 1 joule power spring (330fps)
-steel gears and reinforced piston
-hi pressure aluminum cylinder with seal nozzle
-hi power and speed motor long axle
-new designed metal hop chamber with 247mm inner barrel

BOX INCLUDES
-aeg replica
-300rd magazine
-instructions manual