Yes, you can use a paintball mask for Airsoft. This is because paintball masks are designed with durable construction and effective lenses that add to the large field of vision and allow you to take the target down from quite a distance. Hence, you can ideally use these for more challenging and hectic matches of Airsoft. Also, the lens is firmly designed with anti-fog properties; you don't have to worry about visibility, precision, and focus on the field.