The US Army's New Rifle Just Got An Upgrade; The M7A1 SPEAR
This guide details the process of upgrading the Sig Sauer M7A1 Spear by installing a lighter, more rigid handguard. The M7A1 variant aims to address weight and rail flex issues found in earlier models, enhancing its combat effectiveness. The upgrade involves replacing the existing handguard with a redesigned unit featuring more functional M-LOK slots and an improved attachment system.











