"STAGE 4.5" 310+ fps UPGRADED GEARBOX (#NYLON#) (MULTIPLE UPGRADES INSTALLED) GEN 9,10 + GRIP JINMING M4A1

  • Sale
  • Regular price $259.00


THIS IS NOW NYLON GEARBOX ..YES!!

FOR M4A1 GEN 9, ACR GEN 10 (COMES WITH NEW GRIP AS WELL FOR GEN9)

HARDENED GEARS, ALLOY CYLINDER HEAD AND ALLOY NOZZLE

310+ FPS ...IT WONT LEAVE HERE UNTIL IT SCORES OVER 310FPS ON OUR CHRONO (normally around 315fps)

NOW WITH special red cylinder and BLUE/RED full metal rail piston and alloy head (way smoother operation and less stress on gearbox and increase performance)

THIS IS A COMPLETE PACKAGE READY TO USE AND SPORTS THE "WOW FACTOR" BEAST SEAL OF APPROVAL

COMES WITH M4A1 GEN9 WIRING LOOM AND BARREL

THESE ARE VERY LIMITED (built to order)

Brand new GEN9 , 10 GEARBOX + MUTLI UPGRADE PACK (2 x UPGRADE PACKS) + FULL INSTALLATION AND TESTING OF BOTH UPGRADES PRIOR TO SENDING

PERFECT FPS RANGE: 310+ 

----------------------------------------

# UPGRADE PACK 1 (1.3mm SPRING, ADC BEAST hopup, ALLOY BARREL 33.5cm ,T-PIECE) 

# HULK UPGRADE PACK (UPGRADED 460 LONG MOTOR, FULL METAL GEAR SET, UPGRADED PISTON + O'RING) 

# ALLOY CYLINDER HEAD + ALLOY NOZZLE

# STAINLESS STEEL RETURN SPRING

# BEARINGS X 6 

# SHIM KIT X 1 

# FULLY INSTALLED, TUNED AND TESTED TO BE A BEAST BY BEAST TECHNICIANS

-------------------------------------------

Customer Reviews

Based on 2 reviews Write a review