Works With Guntec .308 Handguards Only
Steel
For Guntec .308 CAL US Made Handguards
Black Oxide Finish
Works with the Aluminum Barrel Nut That Is Included With The .308 CAL JK Series Ultralight Keymod Handguard, and MLOK Handguards
Cutout To Accept Torque Wrenches (1/2")