Made of sturdy aircraft aluminum blocks with tight tolerances for higher precision, consistency and durability.
Built-in knob for precise adjustment (using R-hop, Flat-Hop and Standard-Hop).
Removable brass threaded slot pin for adjustment and maintenance. Accepts a variety of airtight nozzles from 20.50mm to 21.00mm.
We recommend that only an experienced user or a professional Airsoft toy technician is to install it.Install by yourself, please refer to the website for installation.