Aero Precision SOLUS 6.5mm PRC Threaded Rifle Barrel 24in Sendero Light Fluted 1-7.5 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 APRH103115C: SOLUS 6.5mm PRC Threaded Rifle Barrel 24in Sendero Light Fluted 1-7.5 5/8x24 Cerakote Black