CMMG Mk9 PDW 9" Complete Upper W/ KeyMod Rail (9mm)
This CMMG 9mm Upper comes complete with charging handle, 9mm BCG & RKM7 KeyMod Handguard
The Mk4 PDW is CMMG's smallest, most compact upper equipped with the RKM7 KeyMod free floating hand guard, a nitrided 4140 CrMo steel barrel, and CMMG's lifetime quality guarantee.
- Caliber: 9mm
- Barrel: 9" Barrel, Nitrided 4140 Chrome-Moly Steel (Melonite)
- Muzzle: A2 comp., threaded 1/2-36
- Hand Guard: CMMG RKM11 KeyMod hand guard
- Twist Rate: 1:10"
- Receiver: Forged 7075-T6 AL M4 type