Ambidextrous sling mount for the KRISS Vector.
- Loosen the castle nut* on the buffer tube.
- Carefully loosen the two 1.5mm set screws.
- Unthread buffer tube from upper housing.
- Place sling mount onto threaded end of buffer tube.
- Reinstall buffer tube.
- Carefully tighten the two set screws. Do not overtighten.
- Tighten castle nut to secure sling mount and buffer tube.