CMMG Banshee Mk4 5.56 NATO AR-15 Pistol 10.5" Black

7-G55A8DC0AB CMMG, Inc. 55A8DC0-AB

CMMG Banshee Mk4 5.56 NATO AR-15 Pistol 10.5" Black
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7-G55A8DC0AB CMMG, Inc. 55A8DC0-AB
Model 55A8DC0-AB 
UPC 810046238806 
Ships Ships within 2 to 3 business days after a valid FFL is received 
  • All firearm sales are final. NO RETURNS.
  • Return to manufacturer for warranty service.
  • Actual buyer must pickup from FFL dealer who will conduct the background check. Learn more
  • Firearm transfer must be the actual transferee/buyer. Click here to see BATFE form "Transaction Record Part 1".
  • Firearms are only available for purchase online.
Ships within 2 to 3 business days after a valid FFL is received

A $16.95 handling fee will be charged per order. No additional charge for multiple firearms on an order.


The CMMG Banshee Mk4 is the Ultimate AR-15 Pistol

The CMMG Banshee MK4 AR-15 Pistol is a compact jack of all trades firearm. This maneuverable AR-15 pistol is built from the ground up to provide an ergonomic and fun shooting experience. The heart of this excellent AR pistol is its 10.5" 4140 chrome moly barrel which offers a high degree of accuracy, and with its nitride finish it's sure to withstand all the abuse you can throw at it. The muzzle is threaded and fitted with a linear compensator which offers less recoil and equates to a more comfortable shooting experience Each pistol also comes standard with a highly durable Cerakote finish to better withstand the elements. Additionally, you get a whole suite of CMMG's Zeroed accessories such as an ambidextrous safety selector, ambi magazine catch, and ambidextrous charging handle for easier one-handed operation. Also, the CMMG EML9 handguard features M-LOK slots at the 3, 6, and 9 o'clock positions and Picatinny rail slots. This allows the end user to easily attach sights, lights, lasers, and more. The CMMG Banshee Mk4 is a small package packed with big features that make it one of the best AR-15 pistols on the market today.

CMMG Banshee Mk4 AR-15 Pistol Specifications and Features:

  • CMMG Item Number: 55A8DC0-AB
  • Semi-Automatic AR-15 Pistol
  • Direct Impingement Operated
  • 5.56x45mm (also accepts .223 Remington)
  • 30 Rounds
  • Mk4 Forged 7075-T6 Aluminum Lower Receiver
  • Billet 6061 T6 Aluminum Upper Receiver
  • 10.5" 4140 Chrome Moly Steel Barrel with a 1:7" Twist
  • Carbine Length Gas System
  • 0.750" Non-Adjustable Gas Block
  • 1/2x28 Threaded Muzzle
  • Optics Ready Picatinny Rail
  • CMMG Zeroed 5.56mm Linear Compensator
  • CMMG Zeroed Polymer Dust Cover
  • CMMG Zeroed Ambidextrous Charging Handle
  • CMMG Zeroed Pistol Grip
  • CMMG Zeroed Ambi 60/90 Degree Safety Selector
  • CMMG Zeroed Trigger Guard
  • CMMG Zeroed Ambi Mag Catch
  • CMMG Zeroed Extended Mag Release Button
  • CMMG Zeroed AR-15 Bolt Catch
  • CMMG EML9 M-LOK Hand Guard
  • CMMG 6-Position Buffer Tube
  • Carbine Buffer
  • CMMG Ripbrace Pistol Brace
  • Mil-Spec Single Stage Trigger
  • Weight: 5.5 lbs
  • Overall Length: 26"
  • Color: Armor Black Cerakote Finish

Note: Here is the NRA's interpretation of the latest ATF letter regarding the use and legality of pistol braces.
  NRA Interpretation of Latest ATF Letter
Buying a Firearm Online is Easy!
  • Add your selected firearm(s) to your shopping cart and check out.
  • Select a local Federal Firearms Licensed (FFL) Dealer that will accept the firearm and complete the transfer. Find a FFL Dealer HERE.
  • If you choose an FFL Dealer that is not on our preferred list, you or your FFL Dealer will be required to fax or email us a signed copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number. Download the Firearm Sales Form
  • Pick up your firearm from the FFL Dealer, who will need to do a criminal and mental health background check. Transfer fees may apply.
Buying Firearms on the Internet

Federal law requires firearms to be shipped to FFL Dealers. For an individual to receive a firearm from Cheaper Than Dirt! it must be shipped to an FFL Dealer in your state.

Locating a Federal-Firearm License Dealer (FFL) in Your Area

There are thousands of FFL Dealers in the United States. You may choose an FFL Dealer from our preferred listing or you may find a dealer in your area. To find a list of FFL Dealers in your area area CLICK HERE. If you choose a dealer that is not on our preferred list, either you or the FFL Dealer will be required to submit a copy of the Federal Firearms License referencing your Cheaper Than Dirt! order number. The FFL Dealer will usually charge a fee to conduct the transfer. There are duties that the FFL Dealer is required to do during the process which include a criminal and mental health background check through NICS. Remember, the FFL Dealer is doing you a favor and the process takes time to complete. Fees can vary so check with the FFL Dealer ahead of time to request a quote on the fees associated with your firearm transfer. The FFL Dealer is in business to make a profit and your internet purchase may be viewed as competition to their retail business. If you feel the fees are too high, you can search for another FFL Dealer.

Completing the Transaction

Once you place the firearm in your cart and checkout you will receive a confirmation email that has your order number and further instructions. We will verify the FFL license and also make the FFL Dealer aware that an order from Cheaper Than Dirt! will soon be arriving for you. Most orders are processed within 2-3 business days from the time we receive and verify the FFL Dealers information. Once shipped, your firearm will arrive at the FFL Dealer within 3-7 days business days. The FFL Dealer will begin processing the shipment. It may be an additional day or so before the FFL Dealer is ready to conduct the transfer of the firearm to you. Call the FFL Dealer and set an appointment to confirm that the firearm is ready to be transferred.

Please note! All Firearm Sales are Final

It is important to thoroughly inspect your firearm before completion of the transfer. Once the firearm is transferred into your name, Cheaper Than Dirt! will not accept a return or exchange under any circumstance. If a defect is discovered after completing the transfer, you must contact the manufacturer directly for repair or replacement.

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