This Monster MK12 MOD1 Kit fits the Tokyo Marui M4 MWS GBB and which gives your M4 a makeover instead of having the standard RIS kit. The Marui gas system is unchanged and won’t be inhibited by the new kit. This particular version will come with a fixed stock for those that prefer this particular model.
Two colours of the outer barrel are available: black and silver
OPS Type Barrel Set Flash Hider
MK12 MOD1 Reinforced Outer Barrel
MK12 MOD1 RAS Long FF
MK12 Rifleworks Gas Tube
MK12 Rifleworks Gas Block
Handguard Panel 11Rib (Black)
*Parts can be ordered individually*
Customised gun is also available for order!
Free shipping and don't forget to check out our Facebook page for the latest product news :) Dismiss