The Military Armament Corp MAC 5K 9mm Binary Pistol brings the iconic MP5K-style roller-delayed platform into a compact, modern package. Built to original HK pattern specifications, it features a 5.8" threaded barrel with a tri-lug flash hider, adjustable notch aperture rear sight, and hooded front post for precise aiming. The factory-installed Franklin Armory BFSIII HK-C1 binary trigger pack offers a familiar three-position selector marked S, E, and F, delivering smooth semi-auto operation with the option for rapid binary fire.

This MAC 5K is well suited for range use, training, and enthusiasts who appreciate classic subgun ergonomics in a pistol configuration. Its MP5-pattern magazines, compact overall length, and controllable roller-delayed blowback system make it easy to handle and enjoyable to shoot. With broad compatibility for MP5K and SP5K aftermarket parts and optics-ready claw mount cuts, it provides a flexible foundation for customization while reflecting Military Armament Corp’s focus on practical design and solid craftsmanship.

Key Features:

• Manufacturer: Military Armament Corp
• Model: MAC 5K Binary
• Caliber: 9mm Luger
• Condition: New
• Action: Semi-Auto, Roller-Delayed Blowback
• Barrel Length: 5.8" Threaded With Tri-Lug Flash Hider
• Number of Magazines: 2
• Capacity: 30+1
• External Safety: Three-Position Selector (Safe, Semi, Binary)
• Threaded Barrel: Yes, 1/2x28 TPI
• What's In The Box: Pistol, 2 Magazines, Tri-Lug Flash Hider, Sling, Cleaning Kit, Padded Case, Owner's Manual
• Weight: 4.6 lbs (Unloaded)
• Length: 13.7"
• Width: 1.75"