15 Inch M-Lok Handguard Rail Free Float Picatinny Rail Mount System For .223/5.56(AR15) Spec Raw Aluminum MLR-15A

Specification:

Color : Raw aluminum


Materail : T6061 Aluminum
Barrel nut Optional : steel  or Aluminum
Standard Monolithic top rail (21mm)
M-Lok cutouts for easy install of your favorite accesories
lightweight forend

Fit .223/5.56 (AR15) Spec

Barrel nut inside hole diameter: 1.02 in (26mm)
Barrel nut outside diameter: 1.35 in (34.4 mm)
Barrel nut mounting thread spec.: 1-1/4-18 UNC

Package:
one handguard +screw +Barrel nut +wrench +Shim