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  • YHM 9mm 16" Complete Upper Half - Entry

    Mil. Spec. Forged 7075-T6 Aluminum YHM Flat Top Upper Receiver "T" Marked Upper Receiver Forward Assist Installed CMMG Ramped 9mm Bolt Carrier Assembly (YHM-921-BA) 16" Chrome-Moly Vanadium Steel Barrel, Heat Treated to RC 25-32, Threaded 1/2"-36...

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  • YHM 9mm Caliber Marked Dust Cover

    9mm Marked YHM has long been a supplier of Caliber Marked upper receivers, but we soon asked oursleves "What if we want to change the caliber of that upper receiver?" For this reason, we now offer caliber marked dust covers for those who may end up...

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