Wipe-out Applicator Spout by SHARP SHOOTR/WIPEOUTWIPE-OUTâ„¢ has a unique new applicator tip that prevents Wipe-Out â„¢ from gushing back out of the barrel. Simply hold the applicator tip against the muzzle or bore guide and apply the Wipe-Out â„¢ All that is necessary is a short burst. Wipe-Out â„¢ is designed to rapidly expand into the barrel and like shaving cream. The applicator tip may also be reversed for large caliber firearms or muzzle loading firearms up to 62 caliber.