Empire Tactical | UNDERTAKER – MK5 CA Compliant




Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

The MK5 is part of our Undertaker line. The MK5 features a 16 inch M4 profile barrel with a carbine length gas system and railed gas block, maximizing maneuverability with it’s lightweight M4 style design. It also includes the Magpul SL carbine length handguard with MLok attachments points, a Magpul SL Mil-spec 6 position stock, and Magpul MOE+ pistol grip with a rubber overmold. It also features a Magpul ASAP QD end plate.

This rifle comes with the AR Maglock and Kingpin system installed for CA compliance.


Weight: 6.0 lbs

Overall Length: 33.5″-37″

Caliber: 5.56 NATO

Color: Black

Lower Receiver: Mil-Spec with Magpul ASAP QD sling attachment point, Type III Hard Coat Anodized

Upper Receiver: Mil-Spec 7075 T6 Aluminum, Type III Hard Coat Anodized, incorporated with dry film lube on the inside of the upper receiver

Bolt Carrier Group: M16 Black Nitride

Barrel: 16″ 4150 CMV barrel black nitride (M4 Profile)

Muzzle Device: A2 Flash Hider

Gas System: Carbine Length

Gas Block: .750 Railed gas block

Handguard: Magpul SL MLok Handguard (Carbine Length)

Buffer Tube/Receiver Extension: 6 position Mil-Spec, Type III Hard Coat Anodized, incorporated with dry film lube on the inside of the tube

Buffer: Heavy Buffer

Trigger: Mil-Spec

Magazine: 10 Round

Additional Features

-Magpul ASAP QD Lower Receiver End Plate
-Magpul MOE+ Pistol Grip
-Magpul SL 6 position Stock
-AR Maglock and Kingpin CA compliant system

Weight 9 lbs
Dimensions 36 × 12 × 5 in
Shopping Cart
Scroll to Top


All NFA Rules Apply.

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

It is the customer’s responsibility for understanding state laws regarding magazine capacities. Empire Tactical abides by all state regulations regarding the sale of high-capacity magazines. We DO NOT ship high-capacity magazines with firearms to certain states. Please see our terms and conditions for a list of restricted states.