Aero Precision SOLUS .308 Winchester Caliber Threaded Rifle Barrel 20in Sendero Light Fluted 1-10 5/8x24 Cerakote Black. Each of these barrels is manufactured to our highest standards featuring a honed and lapped barrel from the factory. Specifications for Aero Precision SOLUS .308 Winchester Caliber Threaded Rifle Barrel: Manufacturer: Aero Precision Color: Black Finish: Cerakote Barrel Material: 416R Stainless Steel Threads per Inch: 5/8x24 Action Type: Bolt Action Gun Type: Rifle Features of Aero Precision SOLUS .308 Winchester Caliber Threaded Rifle Barrel Honed and Lapped Works with SOLUS Actions Compatible with Zermatt/Bighorn Origin Actions Package Contents: Aero Precision SOLUS .308 Winchester Caliber Threaded Rifle Barrel Aero Precision APRH103107C: SOLUS .308 Winchester Caliber Threaded Rifle Barrel 20in Sendero Light Fluted 1-10 5/8x24 Cerakote Black