What should be applied after cleaning the recoil spring?

After cleaning the recoil spring, applying a light coat of CLP (Cleaner, Lubricant, Protectant) or LSA (Lubricant, Semi-Fluid) is the proper approach. This treatment is beneficial because it provides adequate lubrication, which is essential for the smooth operation of the recoil spring and helps to prevent corrosion. A light coat ensures that the lubricant penetrates the metal surface properly while avoiding the accumulation of excess oil that can attract dirt and debris, which could hinder the performance of the firearm.

Using a thick coat of oil can lead to problems, as too much lubricant can cause weapon malfunctions, such as failures to cycle properly. Not applying any further treatment discards the protective and lubricative benefits that are critical to maintain the function of the spring. Lastly, applying water is not advisable, as it can promote rust and corrosion rather than prevent it. Thus, a light coat of CLP/LSA strikes the right balance between protection and functionality.