10" Shark Series - Ultra Light Slim Keymod Free Float Handguard

Steel Barrel Nut seamlessly pre-integrated with Ultra Light High grade handguard High quality aluminum alloy in durable mil-spec style black matte finish Top flat picatinny rails 3 side Keymod around the body One piece CNC accurate construction Overall Length: 10 inch ID: 1.3 inch Net Weight: 8 ounce Fit 223 556 rifle Use Mentium Shark Barrel Nut Tool,or other standard Armorer Wrench to install barrel nut, 35ft.lb Shark barrel nut should NOT be tightened on the gearwheel side. Please avoid applying any force to the gearwheel/teeth while tightening barrel nut, it may damage its teeth. 2 piece 5 slot detachable Keymod picatinny rails included 5 shim ( OD 1.182", ID 0.989" ) included for easy indexing Ship by USPS 2-3 days Priority Mail.