The AT-RBS is a premium grade ATIBAL Stainless Steel AR-15 Heavy Barrel made in the USA. These premium barrels are made for extreme accuracy and consistent performance.
These spiral fluted barrels are available in 16, 18, or 20-inch and 1-in-8 or 1-in-9 twist.
Gas port drilled for carbine, mid, or rifle length gas set up, spiral flutes fore and aft and threaded for comp. Barrel Extension in rear with feed ramps ready to install into any standard AR receiver. 416 Gun Quality Stainless Steel is used for our Stainless Steel Barrels. Barrel is chambered as .223 Wylde, therefore both .223 and 5.56 NATO rounds can be used.
These barrels are drilled, reamed, rifled, turned, chamber reamed. We pin the Barrel Extension, drill the gas hole, and mill the flutes, all on modern CNC Equipment. All barrels are manufactured under the ISO 9002 Quality System, and each barrel goes through a Final Inspection prior to shipment.
Please note that these barrels are made to order and can typically take 1-2 weeks for shipping.