Faxon Firearms set out to create a dependable and affordable 5.56 upper receiver group that will be a drop-in fit to complete your newest AR-15 build, or as a replacement or spare upper for the firearm you already own. The Faxon Ascent Complete 5.56 Upper Receiver Group features a 10.5" or 16" 5.56 Gov/Socom profile barrel, superfinished full-mass 5.56 Bolt Carrier Group, Enhanced Forged Upper Receiver, and a 9" or 13" Aluminum handguard. The Faxon Ascent Complete 5.56 Upper Receiver Group is compatible with all mil-spec AR-15 lower receivers and parts. The Faxon Ascent Complete 5.56 Upper Receiver Group is backed by Faxon's Lifetime Guarantee. Features Mfg: Faxon Firearms