The 7.62×39 is the cartridge behind the AK-47 and one of the most widely used rifle rounds in the world, known for hard-hitting performance at close to medium range. At Daytona Tactical, we carry 7.62×39 barrels, BCGs, and components for AR-platform and AK builds from trusted brands. Browse our in-stock 7.62×39 selection at competitive prices with fast USA shipping.