What are the three common reasons for needing remedial action?

The correct answer highlights specific malfunctions that can occur with firearms, particularly automatic or semi-automatic systems. The terms "stove pipe," "double feed," and "bolt override" refer to frequent operational problems that indicate the need for immediate remedial action to ensure safety and functionality.

A "stove pipe" occurs when a spent cartridge casing ejects improperly and gets lodged in the ejection port, preventing the feeding of a new round. A "double feed" happens when two rounds attempt to enter the chamber at the same time, creating a blockage that requires the operator to clear the weapon manually. "Bolt override" refers to a situation where the bolt fails to engage correctly, often related to the firearm not cycling properly.

These issues highlight the importance of understanding firearm mechanics and troubleshooting common operational errors. Being able to recognize these problems allows operators to take the necessary steps to clear malfunctions effectively and continue using the firearm safely.