FORGED ALUMINUM MILSPEC UPPER RECEIVER, 8.5″ 1:8 TWIST NITRIDE BARREL WITH 5/8X24 THREADS, YANKEE HILL MACHINE MLOK FREE FLOAT HANDGUARD.
FORGED ALUMINUM MILSPEC UPPER RECEIVER, 8.5″ 1:8 TWIST NITRIDE BARREL WITH 5/8X24 THREADS, YANKEE HILL MACHINE MLOK FREE FLOAT HANDGUARD.