Adjustable 5 position crane style stock

- Magazine capacity holds 12 rounds

which already comes with a MOSFET system

When combined with a short stroked trigger

SHS CNC ALUMINUM M4 ROTARY STYLE HOP-UP CHAMBER FOR VERSION 2 GEARBOX pvc patch Adjustable 5 position crane styleFeatures: One Piece Precision CNC Machined Hop Up Unit Anodized Finish Includes all chamber parts & bucking Specifications: Application: For M4 M16 SR 16 M4 RIS and other compatible Airsoft AEG models that uses M4 Hopup units. Material: Aluminum, One Piece Type CNC machining Easy to adjust Hop up instead of adjusting the gear More stable & accurate than original type Easy to install, can hide wire