9-Hole Reviews does a comparison of the Turkish made MKE AP53 with the German made HK53. This video reviews the Turkish-made AP53, an HK53 clone imported by MK, emphasizing it's a factory-built clone, not a product review, and noting Turkey's familiarity with the HK33. The review covers the AP53's resemblance to the HK33, including its receiver and stock, but highlights significant differences in the recoil system, featuring a fused recoil spring instead of the typical detachable rods found in HK33s and MP5s.

It also details variations in the buffer system, trigger housing, and the four-prong flash hider, which lacks a shoulder for proper suppressor alignment. Range testing, conducted without a stock due to its pistol classification, revealed the AP53 to be soft-shooting and reliable, with 80 rounds fired without issues, and the reviewer found it preferable for suppressor use over his German HK53 due to thread differences. The AP53, which includes an optic mount, three-point sling, and cleaning kit, is deemed a functional firearm, though the flash hider's design poses a potential issue for suppressor users.