MK4 PDW 9" .22LR
The Mk4 PDW SBR or Pistol .22 LR dedicated Upper Group introduces CMMG’s RKM series of KeyMod free float hand guards. Includes a nitrided 4140 CrMo steel barrel.
Caliber: 22 long rifle
Barrel: 9, 1:16 twist, M4 profile, 4140 CM, SBN
Muzzle: A2 comp., threaded 1/2-28
Hand Guard: CMMG RKM11 KeyMod hand guard
Receiver: Forged 7075-T6 AL M4 type upper
Link to parts manufacturerThe Mk4 PDW SBR or Pistol .22 LR dedicated Upper Group introduces CMMG’s RKM series of KeyMod free float hand guards. Includes a nitrided 4140 CrMo steel barrel.
Caliber: 22 long rifle
Barrel: 9, 1:16 twist, M4 profile, 4140 CM, SBN
Muzzle: A2 comp., threaded 1/2-28
Hand Guard: CMMG RKM11 KeyMod hand guard
Receiver: Forged 7075-T6 AL M4 type upper
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