WTS: Heavy Contoured Barrel blank - Single Cut , 5R grove , 27.5 \" Heavy 30 cal Single cut rifling, 5 R grove. contoured blank 27.5 "length , .89 at the muzzle , rough finish, stainless steel. $ 269.00 delivered to lower 48 USA.This will make a great long range hunting rifle. Please e-mail for questions. Thanks and Merry Christmas.