DealSpike's Tactical Lightweight .223/5.56x45 caliber Complete Upper Receiver assemblies for AR15/M16 type Rifles. These rifles feature a 14.5" Light Weight barrel with permanently attached DynaComp muzzle break for 16" total length and Spike's 12" BAR 4 Rail Free Float Handguard. Complete Upper receiver assembly. from AIM Surplus (Product XSTU5050R2D) |