We source Cardinal, Anchor Harvey, and Performance Forge Upper receiver: ST3 Tactical 7075-T6 Forged M4 Upper. Our assembled upper receivers offer unmatched performance, accuracy and reliability. AR-15 5.56/.223 24' stainless steel fluted bull upper assembly. Hardened to 26-32 rc and stress relieved. If you are looking for a complete upper that includes a bolt control group and charging handle please view our other auctions, click here!Īll of these technologies and advancements combine to bring to market a true next-generation upper for the AR-15 platform. The upper receiver features:Barrel - 24' 416 stainless steel bull barrel nitride coated. All you need to complete the upper is add a BCG and charging handle. Included is a brand new, Midwest Industries Slim Line MLOC handguard that mates to the upper receiver. We ensure barrel chambers were not reamed with worn out reamers by utilizing our chamber function gauge. We gauge all our barrels and bolt control groups with Pacific Tool and Gauge precision gauges to ensure proper head spacing and chamber sizing for ultimate reliability and accuracy. The Mid length gas tube and bomb-proof installation ensures reliability and optimal performance in extreme conditions. These barrels are precision machined and nitride coated utilizing the highest quality materials and latest advances in technology. View Details & More Images: SN 223 Wylde III 20: SuperNova 223 III AR-15 M4 Flat top Upper Assembly with Adams Arms Gas Piston. If multiple barreled upper receivers are owned, they can all be sightedin and swapped as desired with a complete return to zero with careful handling and. This assembled upper chambered in 5.56mm features a 16 nitride 5.56 NATO barrel that is also capable of shooting 223 ammunition. SN 5.56 NATO IV: SuperNova 5.56 IV Regular Price : 1,250.00: Qty. Included is Midwest Industries Slim line MLOC Upper with 16" Nitride 5.56/223 Barrel. Our ST3 Tactical AR-15 M4 built assembled uppers feature the latest in weapon technology available exclusively from ST3 Tactical. 14" Midwest Industries Slim line MLOC Upper with 16" Nitride 5.56/223 Barrel
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