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.
Gastrointestinal Side Effects. Consuming too much iron may produce gastrointestinal side effects such as heartburn, diarrhea, constipation, discomfort, nausea, liver damage, vomiting blood, black and bloody stools and metallic taste in your mouth. Nervous System Side Effects. Excess iron intake can negatively affect your nervous system.
Like calcium, iron is somewhat temperamental. Nausea is one of the most common side effects of iron supplements. But while taking iron with food can reduce the GI side effects, food also can reduce the absorption of iron by an estimated 40 to 50 percent. Iron needs to be taken separately from calcium, soy, and zinc, all of which can interfere with iron absorption.