The definitive firearm of the MAC era is back and better than ever. The firearm is compatible with both MAC & HK branded furniture made for the MP5. Mac 5K tactical pistol features a roller delayed blowback design; lacquer paint over phosphate; hooded front sight, Diopter rear sight; Tri-Lug suppressor mount; paddle/button mag release and HK Claw Mount Compatible. MP5 and SP5 aftermarket compatibility. Includes Hard Case - 2 Magazines - Cleaning Kit - Sling - Flash Hider - Owners Manual