Tavor barrel extensionCONTACT US Traditions Firearms 1375 Boston Post Road P.O. Box 776 Old Saybrook, CT 06475 Tel. 860-388-4656 Fax. 860-388-4657 Email: Terms and Conditions Cheap trucks for sale dallasNov 19, 2021 · Rifling is measured as a twist rate, the distance in inches it takes for the rifling to make one complete 360 degree revolution inside the barrel. When communicating the twist rate, it is denoted slightly differently when spoken versus when written as seen in the chart below.