You should invest in a professional paintball marker cleaning kit if you want to make your gun or markers work smoothly. Professional kits can be used on many different types of paintball markers, however, it is important to note that not all paintball markers are equal. The quality of the parts included in the kit can vary significantly and you should consider this when making your decision. Investing in a professional paintball marker cleaning kit will provide you with value for your money over time as these kits typically have useful features such as an electric pump, high-quality solvent that can clean dirt and grime off of the air gun's interior components, and other tools such as brushes, scrubbers, screens, etc.