The ammunition maker’s sales increased 15% to $390.6 million in the final quarter from $340.6 million, sending operating income at the Olin segment up more than twofold to $101.8 million from $44.8 million in Q4 ’20. The quarter anniversaries the first period that included sales from the Lake City factory, which Winchester took over from Vista Outdoor in Oct. 2020. Sales were up in both ... Log in to view full article.