The TTI Infinity TDC Hop-Up Chamber for Tokyo Marui Spec Gen3 Glock is a one-piece full CNC upgrade that replaces the stock hop-up with a unit built for precision. The TDC system delivers consistent, repeatable adjustment — set it once and trust it to hold.
Three color options. Machined to TM Spec Gen3 tolerances for a clean, drop-in fit.
