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Systema Complete Mecha Gear Boxes for MP5 and M4 / M16

AirSplat November 4, 2005 Airsoft - General 92 Comments

Both MP5 (top) and M4 (bottom) complete mecha gear boxes next to each other. These gear boxes include a super reinforced shell and fully upgraded internal: ball bearing bushings for the gears, low resistance wiring, full set of Systema gears, Systema Ball Bearing Piston Guide Rod, Systema M120 Tapered Spring, Systema Red Polycarbonate Piston, Systema Silent Piston and Cylinder Head, Systema Reinforced Cylinder, Systema Tappet Plate, Systema Nozzle, Systema Selector Plate, Systema Switch Assembly.
Everything comes pre-wired and pre-lubricated for an absolutely effortless drop-in replacement.


The first thing you will notice is the weight of this monster gear box.
Weight of Airsoft Elite MP5 Gear Box is almost 1.25 lbs


Weight of Systema MP5 Gear Boxes is just over 1.25 lbs


Weight of Systema M4 Gear Boxes is almost 1.5 lbs


The inners of this new Systema Gear Box. The full gear set, lubrication, piston, spring, bearing guide rod all show themselves.

They are available at:
Systema Mecha Box for the M4A1 M120 Version
Systema Mecha Box for the M16A2 / SR16 M120 Version
Systema Mecha Box for the M16A2 / SR16 M150 Version
Systema Mecha Box for the MP5 M120 Version
Systema Mecha Box for the MP5 M150 Version

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