This kit mounts to any large slot of the round aluminum (T) handguard, allowing you to attach sights or anything utilizing the Picatinny rail.
*These rail kits are not compatible with iron sights on the M-15 when installed at the 12 O'clock position.
“NOTE: Please read TECH NOTE 83 (in our website Library) thoroughly to determine if you are comfortable with the installation tasks. If you would like our Service Department to install this kit into your firearm, please contact our sales department at email@example.com. Kit installation by our Service Department typically requires less than one hour of labor.”