If there is one weapon that is on nearly every tactical shooter’s bucket list, it is the MP5, For most, spending quality trigger time with a MP5 was out of the question—until now. Zenith makes the MP5 delayed roller lock experience attainable. Don’t call the Zenith MKE Z-5RS a clone, knock-off, or wannabe MP5. The Zenith is a licensed version of the iconic Heckler & Koch MP5. Zenith Firearm in Afton, Virginia, imports a number of H&K-licensed delayed roller lock action models from MKE (Mechanical and Chemical Industry Corporation) of Turkey.