TTI - INFINITY TDC Hop Unit for Marui Spec Gen3 Glock - Black Buffer Equipped with a TDC wheel

Equipped with a TDC wheel design

rotary and standard units)

Also your hop up need to be adjusted for best bb flight and not set to zero

It is vertically adjustable for perfect precision

A CNC feed tube and recessed CNC mag release provide lifelong longevity

TTI - INFINITY TDC Hop Unit for Marui Spec Gen3 Glock - Black Buffer Equipped with a TDC wheelTTI Infinity TDC Hop Unit for Marui Spec Gen3 Glock The TTI Infinity TDC Hop Unit for Marui Spec Gen3 Glock is a one piece, full CNC machined hop up chamber that upgrades the original factory unit. Its TDC (Top Dead Centre) design applies hop pressure straight down the centre of the BB for more consistent backspin and a flatter, more accurate trajectory. Machined from a single solid billet, it removes the flex and wear of the stock plastic chamber so