XM5 Rifle The Army announced April 20, 2022, that it will procure the new XM5 rifle, which will eventually replace the M4 carbine, through a contract signed with Sig Sauer, a firearms manufacturer. SHARE: Download: Full Size (1.35 MB) Credit: Sig Saur, Courtesy Photo VIRIN: 220420-O-D0439-001M.JPG Photo Gallery