Material: 6061 T6 aluminum with 7075 aluminum barrel nut Max. Compatible Barrel OD: 1.05" Inside Diameter: 1.75" Outside Diameter: 2" Overall Length: 15.5" Weight: 5.616 oz.(barrel nut) / 9.200 oz.(tube) Color: Matte black hard coat anodizing or custom color Cerakote
Compatibility:
This hand guard is not compatible with newer Bushmaster CARBON-15 rifles. Rifles with serial number E18000 or higher use a barrel nut thread size that is larger than standard, so standard AR-15 free-float hand guards cannot be installed.