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CMMG MK4 PDW Upper 300 AAC Blackout 8" Black RKM 7" KeyMod Handguard 1:7 M16 Bolt Group Low Profile Gas Block 30B8188

The Mk4 PDW is CMMG?s smallest, most compact rifle equipped with the RKM7 KeyMod free floating hand guard and a nitrided 4140 CrMo steel barrel. The Mk4 PDW is available in 300 BLK, 9mm Luger and 22LR; every rifle is equipped with a Magpul MOE adjustable stock, pistol grip and trigger guard, along with a magazine and CMMG?s lifetime quality guarantee.

Specifications:

- Caliber: 300 Blackout
- Barrel: 8.0?, 1:7 twist, medium taper, 4140CM, SBN
- Muzzle: A2 comp., threaded 5/8-24
- Hand Guard: CMMG RKM7 KeyMod hand guard
- Receivers: Forged 7075-T6 AL M4 type upper
- Trigger: Single stage mil-spec style trigger
- Weight: 5.3 lbs (unloaded)
- Length: 25? (stock collapsed
- Gas Port Location: Pistol

Manufacturer: CMMG
Model: 30B8188