SIG SAUER SIG556 Grip-Light Operating - Manual (Page 3)

Grip-Light Rifle Installation
WARNING - Ensure rifle is unloaded before proceeding!
1. Remove cross bolt.
2. Depress cross bar.
3. Slide Grip-Light on to Picatinny Rail.
1. Slide Grip-Light to desired position.
2. Release cross bar to secure Grip-Light in place.
3. Install cross bolt if more secure fit is required.