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NEW RELEASE! G&P Full Metal Custom M4 Series based on WA M4 Gas Blow Back Rifle 
WA internal parts with all possible METAL upgrade from G&P such as Hop-up chamber set 
Crispy Metal Sounds & Smoother slide cycling 

Upgrade Include: 
-WA Special Forces 100M Metal Body (WP71) 
-WA MRE Front Set (WP70) 
-WA M4A1 Steel Outer Barrel (WP19) 
-WA M4A1 Spare Magazine (50rds) 
-Military 600m Flip Up Rear Sight (GP254) 
-WA SPR Grip (Black) (WP45B) 
-WA M4A1 6 Position Sliding Buttstock (Black) (WP61B) 
-WA Hammer Set (WP11) 
-WA Knight's Type Trigger Guard (WP66) 
-WA Steel Sling Adaptor (WP91) 
-WA M4 Steel Sear (WP33) 
-WA M4 Bearing Hammer Pin Set (WP34) 
-WA Steel Bolt Stop (WP51) 
-WA SPR Type Cocking Handle (WP52) 
-WA M4 Hammer Lock (WP57) 
-WA Steel Magazine Catch (WP65) 
-WA Steel Selector (WP69) 
-WA Steel Forward Assist (WP76) 
-WA M4 Aluminum Buffer (WP81A) 
-RIS Grip (Black) (GP033) 
-RIS Rail Cover (Black) x 2 (GP032B) 
-30mm Reflex Extension Mount 
-Military Type 30mm Red Dot Sight (GP121) 

Aluminum Made 14mm Clockwise barrel extension tube 
Sling mount can be installed with any single, 2- or 3- point tactical sling 
Remember to check out our Store for accessories & gears
Item Weight (gram) 3550
Major Color Black
Length 770mm / 850mm (Extended)
Blow Back Yes
Hop-up Adjustable
Shooting Mode Semi/Fully Automatic
Magazine Capacity 50 Rounds
Bullet Type 6mm BB
Pistol Power Source HFC134a Gas
Power (Muzzle Velocity) 290 FPS (HFC134a Test @ 25°C Room Temperature) Recommend / 360 FPS (Top Gas Test @ 25°C Room Temperature)
Manufacturer G&P
Package Includes
  • G&P WOC MRE Airsoft GBB Rifle
  • 50 rounds Metal Gas Magazine
  • Red Dot Sight
  • 30mm Reflex Extension Mount
  • Grip & Rail Cover
  • Original Box
Disclaimer <b>IMPORTANT NOTE: </b>
<br>1. This NEW WA M4 GBB Airsoft Gun assembly is extremely sophisticated. DO NOT attempt to dissemble the gun without consulting us. No Guarantee will be honored if the gun has been dissembled. </br>

<br>2. HFC134a airsoft gas is recommended. Although HFC22 Green Gas/Top Gas can be used for WA Gas Blow Back, it is NOT RECOMMENDED because the internal mechanism is designed for HFC134a airsoft gas. It may not withstand the prolonged high pressure of higher power gas. Please note No Guarantee will be honored if the gun has been fired with HFC22 Green Gas/Top Gas.</br>