CMMG Mk4 Banshee 300 8" .300BLK Pistol Graphite Black

Regular Price: $1,499.95
Our Price: $1,399.00
MPN: 30A81E2-GB
UPC: 816422025114
Out of stock
as of 07/06/2022 10:41PM 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. 

The CMMG Banshee line offers the lightest and most compact AR platforms. The Banshee 300 series are the shortest configuration possible in their respective caliber.

Caliber 300 Blackout
Capacity *30 Rounds
Barrel 8.0", 1:7 twist, medium taper, 4140CM, SBN
Gas Block .750 SLR Adjustable Gas Block
Muzzle DefCan 3 Flash Hider, Threaded 5/8-24
Gas System Pistol Length
Receiver Forged 7075-T6 AL M4 type upper, AR15 type lower
Handguard CMMG RML7 M-Lok hand guard
Finish Graphite Black Cerakote 
Charging Handle CMMG Oversized Ambi
Pistol Grip Magpul MOE
Pistol Brace CMMG Micro/CQB RipBrace with 5 Position Enhanced Receiver Extension and Ambi Sling Plate
Trigger CMMG Single stage mil-spec style trigger
Trigger Guard Magpul MOE
Safety CMMG Ambi
Weight 5lbs 3oz (unloaded)
Length 23.8″ (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.
 Click here for more information on buying a gun online.  

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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