Probably NSFW so you might want to read this at home. Check these Sugoi Shooters Barrel Socks that are available at Airsoft Atlanta... "Sugoi Shooters Airsoft Barrel Sock covers for safety protection use on all airsoft fields.

Various options and anime girl art.

Fits all airsoft guns. Heavy duty, yet flexible, Cordura thick nylon fabric reinforced at the end with double ply with custom artwork on the sides (double sided). For use on ALL aegs, rifles, and barrel end airsoft guns. Fits all models of guns. Includes adjustable safety straps to use around sights, grips, etc.

When you're done playing a game, it's important to keep your gun from accidentally discharging around other people. With our barrel sock (rifle condom), your gun will visibly be covered. Most airsoft fields and CQB arenas are now requiring the use of a barrel sock cover when off the playing area. Our socks meet or exceed all safety requirements on any field. It will work on all rifles and attaches with adjustable cord included. While our sock cover offers great protection, it's important to always set your gun's safety ON and disconnect your battery when not in use. Be sure to empty your magazine and discharge all remaining BBs in your barrel after use as well. Only then, will the airsoft barrel sock provide the last layer of protection from discharge. For airsoft hentai waifu use only."