I have a nucleus action with 465 rounds of 6.5 creed shot threw it with a pva button rifle 6.5 creed barrel with same 465 rounds I believe it is a 8 twist button barrel that is 26 inch threaded and a new pva cut rifled barrel chambered in 6bra that is brand new for sale I believe it is 7.5 twist for sale action was sent in and arc replaced firing spring and updated the bolt head I believe they said 1650 shipped, thanks