Features: Action Type: Semi-Auto Operation: Roller Delayed Blow Back Caliber: 9MM Frame/Receiver - Slide Finish: Lacquer Sights: Adjustable - Drum Aperture Rear - Hood Post Front Optics Ready/Cut: HK® Claw Mount Compatible Capacity (w/Included Mags): 30 + 1 Barrel Length: 8.9" Threaded: 1/2 - 28 TPI Barrel Finish: Phosphate OAL: 17.9" Height: 8" Width: 1.75" Weight (Unloaded): 5.5 lbs. 

Specifications: - Roller delayed blowback action - Tri Lug Muzzle attachment and 1/2x28 Threads - Diopter sights - Two 30 RD magazines Included - Sling Included - Tri Lug flash hider included - Cleaning kit included - HK Furniture and accessory compatible - Black laquer paint over phosphate - Compatible with HK compatible components as well as Mac branded components - Detailed specifications: - Finish - Laquer Paint overtop of parkerization - Plastic Specifications - PA6 gF30 - Trigger Pull - 4.25 Lbs average - Muzzle Threads - 1/2x28 - Tri-Lug Adapter - Barrel - 8.9 or 5.8 Button rifled 9mm barrel - Sights - fully adjustable rear with hooded front post and diopter rear on full size Mac 5. K models feature Castle style rear notch sights - Chamber - 9x19mm fully fluted chamber - Sling - Web two point sling - Flash Hider - Machined tri lug flash hider - Magazines - Welded steel mags with chrome follower with 30rd capacity - The firearm includes: - 1 Mac 5 Firearm - 9mm - 2 30 Rd magazines - 1 Cleaning Kit - 1 Sling - 1 Tri-Lug Flash Hider

Specifications: - Roller delayed blowback action - Tri Lug Muzzle attachment and 1/2x28 Threads - Diopter sights - Two 30 RD magazines Included - Sling Included - Tri Lug flash hider included - Cleaning kit included - HK Furniture and accessory compatible - Black laquer paint over phosphate - Compatible with HK compatible components as well as Mac branded components - Detailed specifications: - Finish - Laquer Paint overtop of parkerization - Plastic Specifications - PA6 gF30 - Trigger Pull - 4.25 Lbs average - Muzzle Threads - 1/2x28 - Tri-Lug Adapter - Barrel - 8.9 or 5.8 Button rifled 9mm barrel - Sights - fully adjustable rear with hooded front post and diopter rear on full size Mac 5. K models feature Castle style rear notch sights - Chamber - 9x19mm fully fluted chamber - Sling - Web two point sling - Flash Hider - Machined tri lug flash hider - Magazines - Welded steel mags with chrome follower with 30rd capacity - The firearm includes: - 1 Mac 5K Firearm - 9mm - 2 30 Rd magazines - 1 Cleaning Kit - 1 Sling - 1 Tri-Lug Flash Hider