This is basically a technique of grinding off the reinforcement material that was additional to fortify the buffer tube/extension area, and reprofiling the world to make it resemble the initial A1 region. This may incorporate some welding or filling of some kind. Use the images below as an example: I https://chanceyaywt.articlesblogger.com/54028855/rumored-buzz-on-colt-python-6-for-sale