G&G CM16 GMS SBR G42 Gearbox Type: Version 3

Gearbox Type: Version 3

You can even mount three pistols on here if you really wanted to

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the VFC BCM MCMR 11

G&G CM16 GMS SBR G42 Gearbox Type: Version 3Features Reinforced polymer billet style receiver Polymer Picatinny handguard with Picatinny slots on the 3, 6, and 9 o'clock positions to mount your light, laser and other accessories Equipped with a MOSFET Integrated Gearbox providing better performance and durability while allowing more modularity True Quick Change Spring system allows you for easy, quick and efficient spring swapping Comes pre installed with a GATE ASTER SE programmable MOSFET