T8 Steel Bolt Carrier Hammer Assist for Marui MWS GBB (Super High Speed Ver.) Net-Weight-(g)_62 -Infinity GT-45000 motors are High

-Infinity GT-45000 motors are High speed/high torque motors

Suitable For Umarex/ VFC MP5K PDW Gas Airsoft Gun

About Conversion Kit SR-BUP-P1 is a Bullpup Kit Designed For We Scar-L GBB

20mm Picatinny Rail On Top & Front Both Side

G2 8mm ball bearing

T8 Steel Bolt Carrier Hammer Assist for Marui MWS GBB (Super High Speed Ver.) Net-Weight-(g)_62 -Infinity GT-45000 motors are HighT8 Steel Bolt Carrier Hammer Assist for Marui MWS GBB (Super High Speed Ver.) Metal Construction Designed to be a High Speed Assist for Faster Operation For your Guns The longer threads allow for a finer adjustment for shorter travel which contributes to an even faster rate of operations Suitable For Tokyo Marui M4 MWS Series Airsoft Gas Blow Back GBB Rifle