TAKEDOWN BARREL ASSEMBLY 8.5″ 300 BLACKOUT CRY HAVOC TACTICAL QRB, 7.2″ MLOK HANDGUARD by Michael Souza | Feb 20, 2023 TAKEDOWN BARREL ASSEMBLY 8.5″ 300 BLACKOUT CRY HAVOC TACTICAL QRB, 7.2″ MLOK HANDGUARD