22 Nosler Barrels come with 1-7 & 1-8 Twist, Rifle Gas System, and M4 Feed Ramps. You have the option of barrel type, thread, fluting, finish type and to add a match bolt. If you have a bolt that you would like to use you are welcome to ship it to us for accurate headspace.
The barrel blanks available are made from 416 Stainless Steel.
The Bartlein Barrels are single point cut style rifling. They are prelapped/honed before rifling, then finish hand lapped after rifling to produce some of the best barrels money can buy.