AIM Sports Inc Modular Hand Stop Assembly Black Small. Featuring aggressive texturing It serves as an index point for improved weapon control or as a forward stop to prevent the shooters hand from reaching the hot muzzle. The kit includes an M-Lok hand stop index panel modular base and all mounting hardware. Specifications for AIM Sports Inc Modular M-LOK Hand Stop Assembly: Manufacturer: AIM Sports Inc Color: Black Fabric/Material: 6061-T6 Aluminum Length: 5.75 in Width: 0.5 in Height: 1.2 in Features of AIM Sports Inc Modular M-LOK Hand Stop Assembly M-Lok slots needed for install: Four Torque screws to 22.8 in-lbs. w/ 3/32 hex key Package Contents: AIM Sports Inc Modular M-LOK Hand Stop Assembly AIM Sports Inc PJMHSU1: Modular Hand Stop Assembly Black Small