ACI TMRS Left Thumb Rest hand stop Handstop for KeyMod & M-LOK CNC Version (Black/Red/Tan/Silver)

Aircraft grade 6061-T6 aluminum alloy Thumb assist for rifle intended to encompass a wide range of shooting grip styles Make you shoot faster with more confidence and accuracy Two installation methods for L thumb For use with just about all vertical grips, angled grips and handstop or alone Compatible with KeyMod and M-LOK system