The range officer at the new Shoot Point Blank in San Antonio said their filtration system should be enough to not need a mask. That being said, they are required to wear one. Shooters have the option. I don't wear one when shooting. I'm not overly worried about it, but my wife's immune system is somewhat compromised due to her medications, so I clean up after I leave the house for any reason. Just wondering if anyone has thought about this topic much. The last time I went to Bullethole, a mask was required.