TTI - INFINITY TDC Hop Unit for UMAREX/ SRC G17-Gen.5 MOS - Black Striker polymer which makes it extremely

polymer which makes it extremely durable and strong

TTI - AAP01 Adjustable Power Valve

Equipped with a TDC wheel design

Maximum funnel increases the speed of reloads

⠂Split-Slide and fixed barrel design

TTI - INFINITY TDC Hop Unit for UMAREX/ SRC G17-Gen.5 MOS - Black Striker polymer which makes it extremelyTTI Infinity TDC Hop Unit for Umarex SRC G17 Gen. 5 MOS The TTI Infinity TDC Hop Unit for Umarex SRC G17 Gen. 5 MOS is a one piece, full CNC machined hop up chamber that replaces the weaker factory unit. Its TDC (Top Dead Centre) design feeds hop pressure straight down the centre of the BB, delivering more consistent backspin and a flatter, more accurate flight path. Built from a single solid billet, it eliminates the flex and wear of the stock