Maxx Aluminum Hop-Up Chamber for M4/M16 HPA $300 Airsoft Guns It's compatible not just with

It's compatible not just with standard M4/M16 AEGs but also with the Lancer Tactical Proline Series

allowing for a firing rate of about 20-25 Rounds Per Second (RPS) and consistent performance within a 2-3 FPS range

The flat seam construction is another thoughtful addition

MadBull is a well known name in airsoft internals

A: The handstop helps mitigate recoil

Maxx Aluminum Hop-Up Chamber for M4/M16 HPA $300 Airsoft Guns It's compatible not just withAbout the Maxx Airsoft HPA CNC Aluminum Hop up The Maxx Airsoft V2 CNC Aluminum Hop up is a precision CNC machined hop up unit for an HPA Polarstar airsoft m4. This hop up unit retains the 4 5 BB's that normally fall out of your gun when the magazine is removed. What's Included In The Box: Maxx Airsoft HPA CNC Aluminum Hop up Quick Overview CNC Machined Aluminum Numbered Dial for Easy Adjustment Multiple nubs Included Specifications & Dimensions: