Airtac HYP-AR HYP-556 MWS HPA Receiver for Tokyo Marui (M4) with Trigger Box Installed - Style 2-Tan

Airtac HYP-AR HYP-556 MWS HPA Receiver for Tokyo Marui (M4) with Trigger Box Installed - Style 2

CNC Machined from 7075 Aluminium and with cerakote paintwork at AirTac's state-of-the-art production facility in Northern Ireland, the HYP-AR is our magnum-opus to HPA GBBR in airsoft.

Integrated HPA, Native Controls.

The HYP-AR lower receiver is designed around PTS EPM M4 magazines, and will transform your MWS into a HPA-powered blowback monster.

Includes Grip in image

Pre-Installed with the MWS Trigger Box Kit for HYP-ARM

HYP-AR Key Information

• AirTac uses a US Foster Fitting as standard. EU fittings can be purchased separately.
• The HYP-556 has a small internal volume. Because of this, you will need to use a PSI of 130–160.
• Ensure a high enough PSI that your bolt can return to battery reliably, ensuring consistent FPS, then regulate FPS with an NPAS.
• If you need higher FPS, you can:
• Fit a tighter barrel
• Use a longer barrel
• Use heavier BBs
• Fit an improved hop bucking
• If your replica has an NPAS fitted, we advise opening it halfway.
• Before connecting air, rack the HYP-AR using the charging handle. This is to ensure the hammer is not resting against the valve knocker, preventing a negligent discharge.
• A gap between upper and lower at the stock turret is completely normal on Double Eagle receivers. This is to accomodate various generations / tolerances and does not impact performance.

Includes Spare Parts Kit

• Spare HPA unit
• Ghetto blaster pin (2.5 x 16mm)
• HPA unit grub screws x3 (M3 x 5mm)
• Buffer retention pin (2.4 x 12mm)
• Feed lip x2
• Double EAGLE TRIGGER BOX SHIMS x4
• Line removal tool