The effects of even just one good replacement are subtly passed through to the user's hands and then to the trigger: soft, accurate, and utterly directed. Quality-upgraded parts will not reconfigure the external appearance in a flashy, cheap shot way; instead, these improvements simplify the function of essential triggers, selectors, buffers, and retention pins for the user. With judiciously selected new bits working in harmony, they make a gun operate even smoother and wear
