15" Slim Keymod Free Float Handguard,with Steel Nut

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Steel Barrel Nut, T6061 High Grade Aluminum body, black anodized for durability 2 piece of 5" picatinny included Overall Length: 15", Inside diameter : 1.4". Net Weight with barrel nut : 1.0 lb Work with standard 0.223/5.56. Not compatible with 0.308 system Use Mentium Slim Barrel Nut Wrench, or other standard Armorer Wrench to 35 ft.lb Ship by USPS 2-3 days Priority mail Require low profile Gas Block ( Show more