semi auto Short barreled rifle Zenith/MKE Z-5P in 9mm. This contains 6 USA made parts for 922r compliance. The Zenith is an HK LICENSED VARIANT of the famous HK 9MM machinegun and is a double push pin. This gun can take any and all Genuine H&K factory parts. Parts are 100% interchangeable without modification.Parts like mags stocks internals Etc. We have a Full auto converted unit in our shop and have put over 1500 rounds through it without a single jam or malfunction, 100% reliability is what you can expect………………………………………………… MKE supplies 29 countries with Everything from Ammunition and Small Arms to Tanks. These guns are top Quality Firearms from the MKE Turkish Military Plant. This come with a threaded 1/2×28 tri-lug barrel. 3-30 round mags and side folding stock plus foregrip. So if you always wanted an MP5-K this is the one for you. This is made on Licensed H&K factory machinery to H&K Specs. The finish is exact H&K factory spec. HENSE IT IS AS CLOSE AS H&K AS YOU CAN GET!!!!!!!! We guarantee this to be free from defects for 5 years. Buy with confidence. Free shipping!!