Tyrant CNC Tyrant CNC Halo Ar-15 Handstop - Black Introducing our AR-15 handstop, the HALO Series HandStop! It is the first and only direct MLOK and KeyMod compatible AR handstop. We utilized our MLOK/KeyMod technology seen on all of our... MSRP: $50.00 Was: Now: $44.95 Add to Cart