Gunsmith Training: Pistolsmithing – Week One, by R2
Design, Function, and Repair This week I started on the core of the course. One of the things emphasized heavily in this course, according to the introductory material that I reviewed last week, was the essential of design, function, and repair (DFR). Design, Function, and Repair (DFR) To be anything more than a rudimentary parts swapper, you have to have a complete understanding of how the firearm was designed to work, how it functions, and what your courses of action are to make any sort of repairs or changes to it. Without understanding the design, it’s just a black box …