Pay in 4 interest-free payments of $26.24 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Steel front and rear sights
Comes with dummy bullets stickers
For use with Surefire-style flashlights
thread on another shell and you're ready to rock
MAXX CNC Aluminum Hopup Chamber M4i - PRO valken Steel front and rear sightsCNC Aluminum Hopup Chamber M4i Pro (with BB Latching System) unit is precisely machined to perform accurately and consistently on ICS CXP CS4 EBB (include old models) M4 M16 AEG series. The Hopup Chamber M4i unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments, the precision Hopup Lever and 4mm Bucking Nubs (6mm Bucking Nubs are optional) to perform best with R Hop and Standard Hop to keep the BB shooting accurately and