WATCH: SIG Sauer SUR300 Suppressed Upper Receiver
Compatible with the company's MCX lower receivers, the SIG Sauer SUR300 provides a 16.1-inch system complete with a pinned-and-welded suppressor.
Compatible with the company's MCX lower receivers, the SIG Sauer SUR300 provides a 16.1-inch system complete with a pinned-and-welded suppressor.