243 A.I. Hart Barrel Savage
Small shank ...do not know twist but I have shot it
and it grouped 87grain hornadys really good..it does have a cut through,the threads
Where barrel nut was stuck and smith cut it off through the threads but rechased them
Does not affect barrel at all.he remounted it and I've shot 219 rounds since then with no trouble or
signs..had smith pull barrel and threads are great..great barrel,,stainless and 24 inches light varmint taper I believe..please contact for any pics or questions.