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.
In some people, iron supplements can cause stomach discomfort, nausea, diarrhea, constipation, and black stool. Iron is best absorbed if taken on an empty stomach. But if you are having stomach problems, you may need to take the pills with food. If the side effects of your iron pills make you feel too sick, talk to your doctor. He or she may know of another type of iron pill you can take. If you think you have anemia, do not take iron pills without talking with your doctor.