U.S. Special Operations Command (SOCOM) is asking defense vendors to develop a “hypervelocity” cartridge and related system improvements to extend the effective range of the legacy M4 carbine, according to multiple outlets. The effort is described as the Hypervelocity Improved Carbine (HIC) program. SOCOM’s stated requirement is to roughly double the effective range of the M4 platform while maintaining compatibility with the existing carbine concept. The reporting is consistent across sources: SOCOM is issuing requests to vendors and evaluating proposals aimed at increasing downrange performance through hypervelocity ammunition rather than replacing the platform entirely. Details on timelines, specific performance targets beyond “effective range,” and which vendors may be selected are not provided in the excerpts. The articles focus on SOCOM’s goal of reviving and modernizing the M4 family of weapons by pairing it with a new high-velocity ammunition approach, with the stated aim of improving operational capability through longer effective reach.