AERO PRECISION .308 WINCHESTER PRE-FIT RIFLE BARREL FOR SOLUS ACTION This shouldered pre-fit barrel is ready to be dropped into your SOLUS action with just a few specialized tools. Each of these barrels is manufactured to our highest standards featuring a honed and lapped barrel from the factory. BARREL FEATURES 5/8-24 TPI muzzle threads 1:10 twist Elite Cerakote Finish Honed and Lapped Works with Aero SOLUS Actions Compatible with Zermatt/Bighorn Origin Actions Mfg: Aero Precision