Brigade Mk-15 5.56 10.5 Mb Mlok

The Brigade Mk-15 5.56 is a short-stroke gas piston AR pistol built for shooters who want a compact, reliable platform without the complexity of a traditional buffer system. Chambered in 5.56 NATO with a 10.5-inch barrel, this M-LOK equipped pistol delivers the ergonomics and modularity AR users expect in a more maneuverable package. Whether you're setting up a truck gun, a home-defense build, or a range toy that doesn't sacrifice functionality, the Mk-15 pairs proven piston-driven reliability with lightweight billet construction and straightforward controls.

The heart of the design is the short-stroke gas piston system paired with a bufferless recoil setup, which means less felt recoil and smoother cycling compared to direct impingement designs. The upper and lower receivers are CNC machined from 7075-T6 billet aluminum, the same material used in aerospace applications—this isn't stamped steel. The 4150 CMV nitride barrel features a 1:7 twist and ships with a 3-prong muzzle device already attached. A 9-inch M-LOK rail mounted on a 1.34-inch inside diameter handguard gives you plenty of real estate for lights, lasers, and other accessories, while a rear 1913 Picatinny rail maintains modularity for optics and backup iron solutions.

Out of the box, you get flip-up iron sights, a mil-spec trigger, and a 30-round magazine—everything you need to get downrange immediately. The ambi takedown lever makes field stripping intuitive for both left and right-handed shooters. At 7 pounds total, the Mk-15 won't fatigue you during longer shooting sessions. Made in the USA and backed by a lifetime warranty, this is a no-nonsense piston pistol for hunters, shooters, and operators who prioritize reliability and simplicity.

Key Features

• Short-stroke gas piston system with bufferless recoil for reduced impulse and smoother action
• CNC machined 7075-T6 billet aluminum upper and lower receivers
• 10.5-inch 4150 CMV nitride barrel with 1:7 twist and 3-prong device
• 9-inch M-LOK rail for accessory mounting and customization
• Rear 1913 Picatinny rail for optics and iron sight placement
• Includes flip-up iron sights, 30-round magazine, and mil-spec trigger
• Ambi takedown lever for left and right-handed operation
• 7-pound overall weight
• USA manufactured with lifetime warranty

Specifications

Frequently Asked Questions

What makes a short-stroke piston system better than direct impingement for a 5.56 AR pistol?

Piston systems operate independently of the bolt carrier, which means gas doesn't travel back into the upper receiver. This results in cooler, cleaner operation and less felt recoil. The Mk-15's bufferless design further reduces impulse, making it more pleasant to shoot and easier to control in rapid fire.

Can I swap out the handguard and accessory rail on the Mk-15?

Yes. The 9-inch M-LOK rail is modular, so you can add and remove accessories as your mission changes. The rear 1913 Picatinny rail also allows you to mount optics and iron sights to suit your setup.

What's included in the box with the Brigade Mk-15?

The rifle comes with flip-up iron sights, a 30-round magazine, and a mil-spec trigger. The 3-prong muzzle device is factory-installed on the barrel.

Is the Brigade Mk-15 suitable for hunting?

With its 10.5-inch barrel and 5.56 NATO chambering, the Mk-15 can work for hunting applications where the caliber is legal. The short length makes it maneuverable in tight spaces, though effective range depends on your local regulations and game size.