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 two 30rd magazines, sight wrench, choke tube kit- cylinder, modified, full and choke tube wrench.Action: Semi-AutoCaliber: 9mm LugerBarrel Length: 5.80"Capacity: 30+1Safety: AmbidextrousGrips: BlackSights: Hooded Front/Diopter RearWeight: 4.60 lbsOal: 13.70"Barrel Length Range: 5" to 5.99"Weight Range: 4 lbs to 4.99 lbs