CMMG MK9 PDW Upper, 9MM, 8.5" 4140 Chrome-Moly Salt Bath Nitrided Barrel, 1:10 Twist, RKM7 KeyMod Free Float Handguard, Black Finish 90B3BF0 Out of stock. Check back later... $749.95 MSRP Price: $664.00 Notify me when this item is back in stock (log in required) Description Details Reviews Shipping info UPC: 815835012209Manufacturer: CMMGModel: 90B3BF0Caliber: 9x19mmCategory: PartsOtherUpper receiverStock: 0Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.