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CMMG MK4T 300 AAC Blackout Complete Upper w/ BCG - Nitride 16" Barrel - KeyMod Free Float Handguard

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$687.49

You will receive fast, free shipping for all orders over $35

Shipping cost is $5.50 for orders under $35. We ship with UPS and USPS. 

Most orders ship out within 24 hours

You will receive tracking information immediately at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses.  

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at support@at3tactical.com and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at support@at3tactical.com. We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you're dissatisfied with your purchase, in any way, please contact us at support@at3tactical.com - we will do our best to make it right.

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Description

This 300 BLK Mk4 T Upper Group introduces CMMG’s RKM series of KeyMod free float hand guards. It features a nitrided 4140 CrMo steel barrel in a medium taper profile.

  • Caliber: 300 Blackout
  • Barrel: 16.1″, 1:7 twist, medium taper, 4140CM, SBN
  • Muzzle: A2 comp., threaded 5/8-24
  • Hand Guard: CMMG RKM11 KeyMod hand guard
  • Receiver: Forged 7075-T6 AL M4 type upper
  • Gas Port Location: Carbine


Upper Group consists of:

  • Upper Receiver Assembly (Upper Receiver, Ejection Port Cover, Forward Assist)
  • Barrel Sub-Assembly
  • Hand Guard and Barrel Nut
  • Charging Handle
  • Bolt Carrier Group

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