Hoppe's #9 is a gun oil, not a stock finish, meant for lubricating metal parts. If you have a satin finish on your stock, that gun oil is slowly eating that finish away. Switch over to a linseed oil based or carnuba wax based stock rub. It will maintain your stock's finish and protect it as well.
Calories vs Kilojoules. Calories and kilojoules are units to measure the energy. Commonly, these two words are used in measuring food energy. It is necessary to indicate the amount of energy contained in each food item on their packagings.
A person burns up only a small amount of kilojoules with daily activities such as sitting. Any physical activity in addition to what you normally do will burn up extra kilojoules. The table shown below features averages for a 70kg person. A lighter person burns fewer kilojoules, a heavier person burns more.