TTI Infinity SIG M17/M18 CNC TDC Hop Up Chamber (Various Colours)

This TDC hop-up chamber from TTI is made from CNC aluminium, it is made for SIG AIR / VFC P320 / M17 / M18 X Carry GBB Pistols . This hop-up chamber has a TDC adjustment system operated via a notched wheel at the bottom of the chamber. 7075 aluminium design Very light TDC adjustment system