5KU Action Army AAP-01 GBB Airsoft Thumb Rest - Purple Warhammer 40k The hop-up chamber itself is

The hop-up chamber itself is made with steel

This will cause a slight colour variance on the bodywork

Construction: Metal/Polymer

Built with the PTS EP series standard Dupont Zytel High Performance Reinforced Polymer for a high quality product that is both durable and lightweight

Weight: 35g

5KU Action Army AAP-01 GBB Airsoft Thumb Rest - Purple Warhammer 40k The hop-up chamber itself isThe Action Army AAP 01 Thumb Rest by 5KU is an easy to install, drop in fit on the AAP 01 Airsoft pistol. It is CNC machined out of lightweight aluminium and is very robust and durable. The product provides a niche where the user can rest their thumb for a more solid grip on the AAP 01 Airsoft pistol, allowing for a more ergonomic and comfortable shooting experience. The 5KU thumb rest comes in a variety of colours, drip out your pistol and stand out