I got this last month ,This is a J bolt 12 twist but it was new unfired I have put 50 rounds thru it breaking the Tube in,The first 25 were cleaned after every shot and cleaned every 5 after that,It was grouping at .5 and under with 168 SMK's and Varget $700 ......Scope and Bipod not Included but In will leave the Weaver 0 MOA rail
