GHK M4 GBBR Ver.2 2017 
 - Full Steel Bolt Carrier, CNC Process with Hear Treatment, Get The Ball Rolling and More Stonger.
 - Improvement of Bolt Lock, New Magnet Design Adoption.
 - New Version Light Weight Magazine
 
  
Realistic, Stable & Powerful Recoil System by GHK
Full Metal Receiver (Engraved "U.S.NAVY SEAL" Marking with Logo) 
 Steel 355mm Outer Barrel With 45mm Steel Flashider 
 20mm RIS Rail System handguard (Length: 180mm) 
 Cocking Handle can be locked & released (Able to move to Right / Left side) 
 Fixed Front & Flip-up Rear Sight 
 Extendable 4 Position Buttstock 
 Steel Housing 30 rounds loading capacity Polymer Gas magazine (New Design) 
 Steel Hammer Set, Bolt Release, Fire pin, Magazine Release, Bolt, Selector 
New HOP-UP system, ver 6.0 hammer, and stable bolt lock 
 Steel made bolt carrier & CNC fishbone rail 
 The inner barrel is a precision one with 6.03mm 
 The bolt is adopted by impact-resistant material with a German made connect spring. It is flexible, not easy to break, but easy removal and maintenance; which is also save gas for high airtight characteristic. 
 The barrel has very detail heat pattern, which is OEM by Montblanc. Steel thin-walled, light weight, and hollow center, the whole process of producing barrel is almost the same level as real gun. 
 Dilute phosphoric acid manganese as surface treatment, which has double cost compared to manganese. This make the product no rust, and won’t scratched. 
 The gas consumption of M4 magazine is larger than G5′s mag. M4 magazine can shooting 1 and 1/2 mag a time in auto mode; 2 to 3 mags in semi mode. 
Sling mount can be installed with any single, 2- or 3- point tactical sling
Major Color: Black
 Length: 775mm / 860mm (Extended)
 Blow Back: Yes
 Hop-up: Adjustable
 Shooting Mode: Semi/Fully Automatic
 Magazine Capacity: 30 Rounds
 Bullet Type: 6mm BB
 Package Includes:    
 - GHK M4A1 14.5 inch RIS Gas Blow Back
 - 30 rounds Gas Magazine
 - Instruction Manual
 - Original Box
 
                        
                       
 
 
 
 
 
 
 
 
               
               
               
               
              