CMMG Banshee 300 Mk17 5" 9mm Pistol Graphite Black

Regular Price: $1,599.95
Clearance Price: $1,399.97
UPC: 810046231654
In stock
as of 04/01/2023 6:14AM CST

Store Inventory
Available Online1
Fountain Valley, CAOut of stock
The Colony, TX1

Not for sale in California, Click here for details.

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 email once your item has arrived at the destination.

The CMMG MK17 Banshee accepts SIG M17 and P320 magazines. The Banshee design gives you the firepower you need in a compact and lightweight platform. A Radial Delayed Blowback operation offers less felt recoil for faster follow up shots.

This model accepts SIG P320/M17 magazines.

Caliber 9mm
Capacity *21 Rounds, SIG M17/P320 Pattern
Barrel 5" MT 4140CM SBN
Muzzle Threaded 1/2x28
Handguard CMMG RML4, M-LOK
Furniture Magpul MOE Pistol Grip, Pistol Tube, Ambi Sling Plate, Ambi Selector, Ambi Charging Handle
Receiver Forged 7075-T6 AL Lower, Forged 7075-T6 AL Upper
Trigger CMMG Single Stage
Weight 4 lbs 10 oz
Length 18.9" 
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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