H&K's Middle Child: The HK33 and HK53 in 5.56mm
This guide details the field stripping process for the Heckler & Koch HK33 and HK53 rifles, as demonstrated by Ian McCollum. It covers the basic steps to disassemble the firearm for cleaning and maintenance, highlighting key differences like the HK53's shortened bolt carrier tube. The process emphasizes standard H&K procedures for their roller-delayed blowback system.











