At the top of our list is the Lab. Red Keycard which will open the door to the laboratory security arsenal (R23). You should note this door will automatically lock itself once closing, but can be opened from either direction again. This keycard can be found after defeating several bosses, including Glukhar in the Reserve, Killa in the Interchange, and both Shturman and Zhrec in the Woods. It can also be found in wallets or document cases in Customs and the Reserve, and in multiple locations at the resort, such as the east wing room 221, the basement gym in the resort, the administration building, and rooms 203 and 218 in the west wing. And like the other keycards, you can purchase this in the marketplace for 35,999,999₽ or trade with the Therapist. With the Lab. Red Keycard in your hand, you will be able to grab ammunition, weapon mods, multiple MP5 and modded M4A1s, a M4A1 SOPMOD II, a possible antique teapot or vase, a possible folder with intelligence, and a Lab. key. Arsenal storage room lock location.