CMMG Banshee 300 5" 5.7x28mm, Graphite Black

Regular Price: $1,424.95
Our Price: $1,399.00
MPN: 54A186A-GB
UPC: 816422028948
Out of stock
as of 02/28/2021 7:00PM CST

Store Inventory
Available OnlineOut of stock
Fountain Valley, CAOut of stock
The Colony, TXOut of stock

Not for sale in California, Click here for details.
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Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by e-mail when your item arrives.

The MK4 Banshee is a Radial Delayed Blowback operation and utilizes the CMMG 5.7 AR Conversion magazine. Chambered in 5.7x28, this pistol packs firepower in a compact package. Features include a CMMG ambi charging handle, ambi selector and RipBrace.

Graphite Black Cerakote Finish

Caliber 5.7x28mm
Capacity *40-rd CMMG
Barrel 5" Medium Taper, 416SS, 1:9 Twist
Muzzle Threaded 1/2x28
Handguard CMMG RML4 M-LOK
Furniture Magpul MOE Pistol Grip, CMMG CBQ RipBrace, Ambi Sling Plate, Ambi Selector, Ambi Charging Handle
Receiver Forged 7075-T6 AL M4-type Lower, Forged 7075-T6 AL Upper
Trigger CMMG Single Stage, Mil-Spec Style
Weight 4 lbs 4 oz
Length 19.2" (Brace Collapsed)
California Compliant No

* Magazine(s) are not included for Restricted States.

Not for sale in California, Click here for details.

Important note about our photos
While we make every effort to ensure that our product photos are accurate, manufacturers occasionally change the design of components such as triggers, sights, or magazines without notice. Also, modifications to the firearm or component may be required in order to meet specific state compliance requirements. While we make every effort to accurately describe and illustrate the item you are going to receive, there may be visual differences on various components that do not affect functionality.

Federal law requires that you be 21 years of age or older to purchase a handgun, frame or receiver. To purchase a shotgun or rifle, you must be 18 years of age or older. 18 U.S.C. Section 922(b)(1).

As required by federal law, this item may only be shipped to a dealer with a valid Federal Firearms License. If you do not specify the name and shipping address of your dealer, your order will be delayed.
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California Residents
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to


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