TTI - INFINITY TDC Hop Unit for Umarex / GHK G17 Gen5 MOS - Black Cocking Handle With a wide range of

With a wide range of coloured tops

CNC Aluminium magazine baseplate with a choice of colours adding flair to your build

Weight : 170

innovation

1 Threaded Outer Barrels

TTI - INFINITY TDC Hop Unit for Umarex / GHK G17 Gen5 MOS - Black Cocking Handle With a wide range ofTTI 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