32, 15/16 between flats, 1-70 roundball twist Flintlock barrel. Includes Williams Firesights fiber optic sights, and unbreakable ramrod. It is in excellent condition. No rust, bore has always been cleaned and well cared for. I now shoot a 54 cal. So no longer need this barrel. The item “Green Mountain, Thompson Center Hawken 50 Cal. [ Read On… ]

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