What throws the AR shooters is that there is a specification for a heavy barrel for an AR-15/M16, and they mistakenly think it applies to all other firearms. This barrel is sold as an AR-15 bull barrel. It has flutes, but theyâre not a requirement for a bull barrel. An AR heavy barrel would be much thinner than this.Thereâs no exact specification for a bull barrel.In fact, the modifiers âbullâ and âheavyâ can be used interchangeably.hat throws the AR shooters is that there is a specification for a heavy barrel for an AR-15/M16, and they mistakenly think it applies to all other firearms. This barrel is sold as an AR-15 bull barrel. It has flutes, but theyâre not a requirement for a bull barrel. An AR heavy barrel would be much thinner than this.
Too much iron can be just as bad as too little, as bacteria and cancer cells thrive in an iron-rich environment, reproducing fast and furiously. Too much iron causes free radicals to form, which have been linked to everything from cancer to heart disease to aging. Iron Deficiency and Anemia Two billion people around the world, mostly children and women of childbearing age, suffer from iron-deficiency anemia.
Are there any risks associated with too much zinc? High doses of zinc or zinc supplements can actually decrease immunity, interfere with the absorption of copper, leading to copper deficiency, and increase the risk of anemia. Excessive amounts of zinc can also cause nausea, headaches, lethargy, irritability, stomach irritation, and vomiting. Are there any other special considerations? Zinc can cause stomach upset, occasionally resulting in nausea, vomiting, or diarrhea â take zinc with food to help lessen this risk. The following may interfere with or decrease, zinc absorption: high calcium intake, some vegetarian diets, caffeine, alcoholism, oral penicillin, diuretics, and dairy and bran products.