The Honey Badger Handguard Kit is compatible with all M4 upper receivers, and come with the required barrel nut and hardware. Required Tools (not included) – When it doubt, get the Honey Badger Multi Tool! 1.25-in Open End Wrench 1/4-in SAE Open End Wrench 6″ M-LOK MATERIAL: 6061-T6 Aluminum WEIGHT: 6.2 oz w/ hardware Barrel Nut Torque Spec: 50 ft-lbs Turnbuckle Torque Spec: Hand Tight w/ Red Loctite *These handguards will not fit over the trash PANDA, THUNDER CHICKEN, half NELSON, and FULL NELSON.
