The Otis M4 SAT AR-15 Front Sight Adjustment Tool simply pushes down onto the front sight post. Rotate the click wheel on the tool clockwise to lower the post and counterclockwise to raise the post. You can hear and feel the tool click. Comes in a 2 pack.
- Includes 2 M4 sight adjustment tools
- Easily attaches to front sight post
- Rotate clockwise to lower sight post; counterclockwise to raise sight post
- Hear and feel the tool click