Watch: Teufelshund Tactical Heckler and Koch Bolt Gap Review
This video covers the much misunderstood topic of bolt gap, as it relates to the Heckler and Koch roller delayed blowback line of weapons. This is a confusing topic for a lot of people.
This Video is a concise explaination and with cutaway models to facilitate learning for those unfamiliar with the system. They cover background and function, how to check bolt gap and how to affect a change in bolt gap, if needed.
Teufelshund Tactical has an extensive background as an Armorer and Instructor of Heckler and Koch weapons. Thanks for a great video!