HIGH SPEED SHUTTER GEN2 MPA BK H&K M4 MWS MARUI ANGRYGUN (AG-20190906H)

Shutter with high smoothness CNC 6061 aluminum body and steel
PLUG&PLAY version with ball pusher, return springs and cage already installed.
Nozzle with MPA Gen2 system to modulate the replica's output power (via Allen key).
Improved rate of fire, decreased gas consumption while increasing operating accuracy.
Only compatible with MARUI MWS / MTR gas rifles.