Our eBay Store Slip 2000 EWL (Extreme Weapons Lubricant) 4 Ounce Squeeze Bottle Gun Clean 60320 EWL is recommended for use on semi-automatic and full-auto rifles and pistols that see high round counts. Use like a metal treatment putting a thin coat everywhere. After firing 2000 – 4000 rounds, simply wipe your gun clean just using EWL. Excellent for use in cold or dusty environments. Not ideal for long term storage. Can be used on all firearms.