Loctite 222 or 243 is recommended on all fasteners.
Torque values for light mounts and control accessories:
M-Lok - 30 inch lbs for metal handguards, 15 inch lbs for polymer handguards
KeyMod - 20 inch lbs
Picatinny clamp - 30 inch lbs
Light body to mount - 20 inch lbs
Loctite 222 or 243 is recommended on all fasteners.
Torque values for offset optic mounts:
Optic to optic plate - No more than 15 inch lbs
Optic plate to stem - 30 inch lbs
Stem to base - 30 inch lbs
Picatinny clamp - 50-55 inch lbs
User Guides: