AR-15 Upper Receivers ready to install on SBR or Pistol lower receivers. Available with 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers. Barrels feature a pinned front sight base. Other features includes flat top upper receiver, bolt carrier group, charging handle and A2 flash hider. 11.5" model available with AAC 51T Blackout Flash Hider. 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply.
SPECS: Fit standard AR-15/M16 lower receivers. Only for use on SBR or Pistol lower receivers.