Quote Originally Posted by T2C View Post
WD-40 will gum up gas rings in a semi-automatic shotgun or AR-15 faster than you can say hocus pocus. I never use WD-40 for lubricant on a weapon.
WD-40 is not a lubricant. It's a cleaner. It is not meant to be retained on the surface. You are using it incorrectly.

You realty don't want to mix cleaners and lubricants. Clean your items. Lubricate your items. Don't mix lubricants from varied sources.