https://youtu.be/8ylB4thQ17g Available directly from Vickers Guide: https://www.vickersguide.com/purchase/heckler-koch-vol-4-standard The fourth and final volume of the Vickers Guide to Heckler & Koch covers the post-roller-delayed long guns made by H&K. This begins with the G11, and then the G36, HKM4/HK416, HK417, MG4, and MG5 families. It also covers a number of other related groups of guns including