http://www.aimsurplus.com/product.as...ver&groupid=55
Spikes Tactical 14.5" Lightweight 5.56/.223 Upper Receiver
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Spike'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 Vortex Flash Hider for 16" total length. Perfect for a super light weight build! This is a COMPLETE Upper receiver assembly, everything except a rear sight, and includes Spike's Tactical Tungsten filled ST-T2 heavy recoil buffer and Magpul MOE heat shield lined handguard.
XSTU5050MLS $539.95
Looks to be priced fairly.