I do use the notch at the range as a courtesy to other shooters I try to keep the bolts open on any gun I'm not shooting while at a public range, but I would still rather not have the hole there.The notch allows you lock the bolt back with or without the BHO Yugo mags. It is good for training classes so you can easily show clear. And it makes it easier to clean quickly with just a Boresnake. The best one is the Krebs Safety Selector because it also gives you the small metal protrusion so you can manipulate the safety with just your index finger - also good for training classes.