7,9,10,12,13.5,15 Inch Free float M-Lok Handguard Picatinny Rail Mount System Fits .223/5.56 (AR15) Black Color MLR-xBA/S

Specification:
Length : 7,9,10,12,13.5,15 Inch
Fits .223/5.56 (AR15) Spec
T6 6061 Aluminum body
Barrel Nut Optional : Aluminum or Steel
Monolithic top rail(21mm)
M-Lok cutouts for easy install of your favorite accesories
Lightweight forend

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