TTI - INFINITY TDC Hop Unit for Marui Spec Gen3 Glock - Black Nozzle you might notice minor surface

you might notice minor surface marks

・Hi-CAPA 4

or buttons

Maple Leaf designed a barrel where the end is wider compared to the rest of the barrel

LA Capa Venom Hi-Capa Slide

TTI - INFINITY TDC Hop Unit for Marui Spec Gen3 Glock - Black Nozzle you might notice minor surfaceTTI 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