For sale is a 6BRA, 28” MTU benchmark barrel for the impact 737 action, spun up at TSC by Mike Manzella (moved to MT now). Reamer 135 freebore, 274 neck (no turn), same reamer the OK boys used to win matches. Threaded 5/8-24. 146 documented rounds, 80 used to win a local match ahead of a top...