The Strike Industries Gridlok Handguard brings an entirely new level of modularity to any AR15. Take that modularity futher by purchasing just the Gridlok barrel nut, so you can swap your rail and expensive attachments between firearms as needed!
1 Barrel Nut for Gridlok
Max Torque Value
Barrel Nut - 30-50 ft/lbs (40.5 NM)