Premium 5.56/.223 Complete Side Charger Upper Build. - Stainless Steel Stubby Muzzle Device. -18" Hornet Nest Stainless Steel Barrel, made from 416R Stainless Steel. Chambered in 5.56/.223 Caliber, Carbine length gas system, 1:8 twist rate. Fully inspected barrel guarentee 1" MOA. Inspected with CMMs and Air Guages. - 7075T6 Billet Aluminum Side Charger Reciprocating Upper Reciever. - AR15 Bolt Carrier Group - 13" Billet Aluminum MLOK Handguard. - Milspec .750 Gas Block -Milspec Stainless Gas Tube Every complete upper reciever sold is custom made and fine tuned to each caliber. Each upper is test fired prior to shipment.
5.56/.223 Side Charger Complete Upper