NexxSpeed CNC Aluminum Hopup Chamber - Action Army AAP-01/C

The CNC Aluminum Hopup Chamber is machined with precise CNC tolerances from monolithic Aluminum for improvements in stability, durability and overall performance. Specially FPS be increased about 5-15 more. It is unique designed with upper adjustment knob, making it easy to adjust without removing the Upper, no need drilling/detents and pin.