Bolt airsoft B4 TSD blow back electric gun (tan)

GENERAL INFORMATIONS

New full metal model with blowback action tachnology
20mm flat top metal body with m16 lower receiver
7 inches metal free floating rail with qd LMT style deatachable sights 
8 inches outer barrel with metal silencer installed
STR type stock with lipo stick 11.1 battery side vane
300rd metal magazine included (compatible with marui)
length: 670/755mm
peso: 2960g

equiped with the famous hard recoil action patented system 
following the most selective test finally arrived the improved version
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 200mm inner barrel

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