U-Build AR-10 20″ 6.5 Creedmoor Fluted Stainless Steel Rifle Kit Compatible with DPMS style AR-10 lowers. This BarDef model BD-65C20SSF-Kit is a U-Build 6.5 Creedmoor rifle kit with a 20 inch stainless steel fluted barrel and comes unassembled. U-Build-It! Lower receiver NOT included. This upper receiver plus 15 inch M-LOK free-floating hand guard combined is a great platform for your scope, a red dot or flip-up sights (sold separately). Tough to withstand years of use and abuse. This kit includes everything needed to build a complete upper and lower, EXCEPT a stripped lower receiver. Applicable parts are made to standard military specifications or better. Kit Includes: (1) Stainless Fluted 20″ Creedmoor barrel (1) Rifle Length Gas Tube (1) Bolt Carrier Group (1) Upper Receiver (1) 5/8″-24 Flash Hider (1) 15″ Slim M-Lok Free Float Hand Guard (style may vary due to availability) (1) Complete Lower Parts Kit (1) End Plate (1) Castle Nut (1) Mil-Spec Buffer Tube (1) Buffer Tube Spring (1) 6 Position M4 Style Stock (1) Buffer (1) Charging Handle (1) Dust Cover (1) Forward Assist Comes with the Barrier Defense lifetime warranty!  ****Know your states laws when purchasing gun parts.****