TTI - INFINITY TDC Hop Unit for Umarex / GHK G17 Gen5 MOS - Black Tracer Unit · Selector Switch Reaper Side

· Selector Switch Reaper Side Handle * 1

The special cutouts and aluminum build make this rear sight extremely lightweight

Spring Guide

Product Code: F-IF43DSR-TT

TTI - INFINITY TDC Hop Unit for Umarex / GHK G17 Gen5 MOS - Black Tracer Unit · Selector Switch Reaper SideTTI 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