COWCOW ALUMINUM BLOW BACK UNIT FOR MARUI G19, G17 GEN.4 GBB (BLACK) VSR-10 Parts There's a select-fire switch on

There's a select-fire switch on its rear side that allows for full-auto firing

This black version of the Beretta M9 model is all metal

The EPM1 is the First spring loaded AEG magazine to rival the capacity of a high cap mag

The new MI-7 Valken made face mask/goggle that

COWCOW ALUMINUM BLOW BACK UNIT FOR MARUI G19, G17 GEN.4 GBB (BLACK) VSR-10 Parts There's a select-fire switch onG19 Blow Back UnitHighlighted features6061 Aluminum material with CNC machinedUltra lightweight designDurable construction prevents flexing and warping under hard useProvide stable and smooth blowback cyclingPerfect Fit with COWCOW piston headAvailable in Black and SilverFor TM G19, TM G17 Gen4 and TM G19 Gen4*PS: Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer