Item Description:
Design based on carefully selected part's, which is
prepared for hi power upgrade's. Use of such part's like 8mm Oiless Bushing
which is cooperating with reinforced gears for reduced resistance and greater rate of fire. Chrome cylinder greatly extends live-spawn of
the piston head o-ring as well as reinforced piston with steel teeth
work's well together with metal spring guide with 8mm oiless Bushing.
Item Specification:
Drop in Gearbox
Version: V2 reinforced
Bearing: 8mm,?oiless Bushing?
Weight: 506 g
Wire: Standard Wire Set
Gears: Standard Hard Steel Gears Set.
Spring: 110% Spring
Piston: Full Teeth Piston Set.
**Not able to be used on MP5 Series, it is for M4 Series Only.
Package Includes:
Full Set Gear Box x 1set