The barrel is a 1:9.4" twist, 28" straight taper Savage (small thread pattern) drop in. Chambered in 300Win Mag and comes with the threaded muzzle (5/8/24) from Proof. Weighs 2lbs. 13.2oz on my postal scale. Model #106693 and it‘s new in its Proof box. $700 shipped insured to the lower 48.