TTI - INFINITY TDC Hop Unit for UMAREX/ SRC G17-Gen.5 MOS - Black Bucking CowCow CHAMP Sear Spring Silver

CowCow CHAMP Sear Spring Silver - Product Information

Exhaust valve inner

CrazyJet inner barrel

compatible with other brands' TDC (Top Dead Center) Hop-up systems

TTI - INFINITY TDC Hop Unit for UMAREX/ SRC G17-Gen.5 MOS - Black Bucking CowCow CHAMP Sear Spring SilverTTI 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