TTI - INFINITY TDC Hop Unit for Umarex / GHK G17 Gen5 MOS - Black HK Army 1 GBB Pistol

1 GBB Pistol

this nozzle is your ultimate airsoft companion

The barrel and bucking is placed into the hop unit from the rear

· AAP-01 HPA M4 Magazine Adapter with rubber ring *1

Fully Serviceable

TTI - INFINITY TDC Hop Unit for Umarex / GHK G17 Gen5 MOS - Black HK Army 1 GBB PistolTTI Infinity TDC Hop Unit for Umarex GHK G17 Gen5 MOS The TTI Infinity TDC Hop Unit for Umarex GHK G17 Gen5 MOS is a one piece, full CNC machined hop up chamber designed to replace the fragile factory unit. Its TDC (Top Dead Centre) adjustment system applies hop pressure straight down the centre of the BB for more consistent backspin and a flatter, more accurate trajectory. Machined as a single solid piece, it removes the flex and wear points of the