Parcel cost? How to pay?
CRW can send bulk order to many country in the world, please send us email for the quotation.
Viper-tech M4A1 RIS US army version, with COLT M4A1 marking
Very solid construction
● power source： Green gas/ top gas or CO2 (Co2 mag need to purchase separately)
● length：756-840 mm
● weight： 3700 g
● Capacity： 30 + 1 rd
● Bolt： 16mm standard aluminium nozzle, steel bolt carrier
● Material： Aluminium Forged receiver, CNC rail, Steel barrel, steel gas block, steel flash hider, forged charging handle
internal parts material: steel hammer, steel sear, aluminium fire pin block, steel fire pin, steel mag release, steel bolt release, steel selector,
● Finishing: Black colour Anodizing surface
● Shooting model: Semi, Full auto
● one piece Hop Up
*** Fit and Compatible with WA M4 GBB system
*** Come with one Heavy weight steel EB gas mag