Multiple outlets report that U.S. Special Operations Command (SOCOM) is moving to a new rifle design that supports swapping the barrel to change ammunition types in the field. According to Defense News, Air Force Times, Navy Times, and Military Times, the rifle is built at SOCOM’s request with a barrel that can be replaced so operators can move between legacy cartridges and the newer 6.5mm Creedmoor. The reports characterize the design as more flexible than standard fixed-barrel rifles because the cartridge change is enabled by the ability to swap the barrel. All sources describe the 6.5mm Creedmoor as a newer option that the system accommodates alongside older ammunition. The articles also present the change as an operational requirement driven by SOCOM rather than a general commercial or standalone feature. Across coverage, the core common point is that the rifle’s modular barrel approach is intended to let service members adapt their ammunition configuration as mission needs or ammunition availability change.