M4 CQB-R Airsoft Blow Back AEG (FDE) by Marui

Close Quarter Battle Receiver with 10.3inch Outer Barrel widely used by US NSWC
New Version 2 SHOOT & RECOIL Engine with Semi & Fully Automatic Shooting mode
Full Aluminum Constructed Body with authentic laser engraved marking
Realism lock-bolt function which stops the gun from firing after last BB fired (when you reload a full magazine back, bolt is released and you are ready to fire again)
Marui Next Generation M4 magazine accommodate 82 Rounds of 6mm Plastic BB (previous version of Marui M4 Magazine is NOT compatible)
Marui 8.4V 1300mAh Ni-MH (Custom Stock Type) Rechargeable Battery (optional) can be stored into VLTOR Type EMOD Stock
6 position adjustable Sliding Buttstock
Include LMT Type Rear Sight & Tango Down Tactical Foregrip
Genuine Tokyo Marui Product & 100% Made In Japan