TTI - INFINITY TDC Hop Unit for Umarex (VFC) G-series - Black Balystik easier hop tuning on the

easier hop tuning on the field

in selected testers pistols

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and experience next-level precision

TTI - INFINITY TDC Hop Unit for Umarex (VFC) G-series - Black Balystik easier hop tuning on theTTI Infinity TDC Hop Unit for Umarex (VFC) G series The TTI Infinity TDC Hop Unit for Umarex (VFC) G series is a one piece, full CNC machined hop up chamber built to replace the fragile factory part. Its TDC (Top Dead Centre) design pushes hop pressure straight down the centre of the BB for more consistent backspin and a flatter, more accurate trajectory. Cut from a single solid billet, it removes the flex and wear of the stock plastic chamber so your