Hop Unit Parts

One piece CNC Alloy construction outer body for total precision, tested with all leading buckings, and good quality un-bridged GBB barrels. The outer body contains the drilling guide for installation into your chosen AAP upper. No need for extra drill gui

Revised profile for the latest buckings on the market.

Enhanced upper edge profiling and chamfering to provide better fitment in various platforms
Orange in colour, to identify the variant.
CNC machined aluminium
Very popular in the AAP-01, and G17/

The Loki stealth, AAP01 top external adjustable rail for the Hadron Airsoft Designs "Loki" Hop unit.

Stealth uses a friction lock system, it's quiet quick, and effective. Zero hop self adjust on even high ROF builds.

External Matt black adjustable s