Each and every Northtech Defense barrel is made with the highest level of accuracy during the machining process. The barrel is chambered and chamber polished and head spaced to a master bolt face with barrel extension individually matched to each barrel. It’s also precision crowned. The rifle blank is precision gun drilled, lapped and rifled utilizing 6 groove rifling that has been proven to produce the highest level of shooting accuracy in the industry. Description: •Made from the best barrel blanks in the industry, crafted entirely in the state of Oregon. •416R Stainless Steel. Certified barrel quality material grade, cryogenically treated (sub-zero temperatures) and stress relieved •6 groove ultra- precision 2-process button rifling, which has been proven to perform to the highest levels of shooting accuracy in the industry •Each barrel extension is precision matched to each barrel. After the chamber is cut, the entire unit is then checked for proper headspace to a master bolt face in order to pass inspection prior to shipment.
•Extended M4 feed ramps
•NTD logo precision CNC engraved on each side of the muzzle end •Fine bead blasted and precision fluted.
•1/2×28 muzzle threads
•Northtech Defense signature barrel contour
•Weight 29 ounces
•1:8 Twist Rate