M3s Billy Wing Solenoid Housing Airsoft BB's By exhausting air both before

By exhausting air both before and after each shot

CNC align-bored segment for the insert area

HK Army Crash Arm Pads offer you all of the above and more

base color adjusted light smoke

M3s Billy Wing Solenoid Housing Airsoft BB's By exhausting air both beforeM3s Billy Wing Solenoid Housing Kit Includes: M3+ Solenoid Body 1pc M3s Solenoid Body Gasket 1pc DSR Solenoid Seat Gasket 1pc M2*10 Philips Head Screw 4pc Modified supply and vent flow helps regulate and optimize bolt speed and response time. With improved air control the Bwing21 solenoid housing offers more reliable, operation and consistent cycle speed to the M3