SIG Sauer’s 6.8×51 Hybrid Cartridge: How the Army’s Newest Round Handles 80,000 PSI
SIG Sauer’s hybrid 6.8×51 cartridge pushes rifle pressures to roughly 80,000 psi, using a brass body, stainless steel base, and aluminum locking washer to contain forces that would challenge a traditional all-brass rifle case.







