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The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. For..
The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upp..
The M4E1 Threaded Upper Receiver features an angular machined design that helps it stand apart from ..
The ATI 5.56 Rifle Upper Kit has a 16" blued barrel, 6 position retractable stock, and pistol grip...
Black Rain's Bro AR15 upper has a black hardcoat anodize finish...
Black Rain's Spec15 Complete Upper Receiver has a black hardcoat anodize finish...
Bravo's BCM M4 Upper Receiver Assembly is precision machined to correct Mil-Specs from 7075 T6 forgi..
This Bushmaster upper receiver is made of carbon steel with carbine length hand guards. Its barrel i..
This popular complete upper features a light weight, chrome lined 16" barrel in a M4 "cutout" profil..
This Bushmaster upper receiver has a chrome-lined barrel made of 4150 chrome-moly-vanadium steel fin..
The Optics Ready Carbine upper has a 16" 4150 chrome-moly-vanadium barrel with an M4 profile and har..
Adapted from the very accurate and successful 24" Varminter, the Predator Complete Upper Receiver/Ba..
This complete upper assembly features a 24" Fluted Extra Heavy Barrel in 5.56mm/.223 Rem. caliber wi..
This Bushmaster 300 Blackout upper receiver is made of carbon steel and finished in black teflon. It..
This is a comlete upper in .450 Bushmaster Caliber with 20" barrel and Izzy Suppressor. Includes 4 R..