Active Crisis Consulting Teaches Us CQB Room Clearing Basics

Safety, dry-fire setup, and CQB training focus

The session begins after basic work on trigger press, holstering, and reloads. The group moves into the shoot house to apply those skills to close quarters combat, focusing on footwork and angles. Live fire is not used; instead, a Mantis trainer is mounted on a rifle to provide dry-fire feedback for both pistols and rifles. The instructors stress proper gun handling and safety, explaining that every rifle and pistol has been checked twice. They acknowledge that in a shoot house with overlapping fields of fire and cross coverage, some unintentional flagging can occur, and they caution viewers accordingly. One shooter notes this is the first time running this particular rifle setup in the house, usually preferring an MCX, and uses the opportunity to break in a friend’s rifle while working fundamentals in a controlled environment.

Fundamentals of room clearing and corner priority

Instructors explain that the goal is to teach very basic CQB fundamentals that can be built on over multiple training days or with other instructors. They emphasize that even at high levels, units still rely on the basics. Different units may clear rooms in different ways, and the instructors focus on demonstrating their method and the reasoning behind it. They address the common idea of going straight to the visible threat or the person screaming in the middle of the room. Based on their experience running various scenarios, they highlight the danger of ignoring uncleared corners, where hidden threats may be waiting. Their approach prioritizes clearing corners and assigning each team member specific sectors of responsibility, stressing that moving efficiently and deliberately through those sectors increases overall safety.

Reading the door, hostage rescue vs deliberate clearing

The team discusses the importance of reading the door before entry, especially in a hallway where not everyone can stack directly in line. They distinguish between hostage rescue and deliberate, intentional room clearing, noting that each requires a different mindset and assessment process at the doorway and threshold. Students are told to identify whether a room is corner-fed or center-fed, determine hinge placement, and understand whether the door opens into the room or out into the hallway. This informs how they approach the threshold and manage angles. The instructors introduce the concept of high and low ready positions and explain that there are different schools of thought. Their method favors a more aggressive, stable approach that supports better weapon control and faster presentation when moving through the doorway.

High port vs low ready and doorway positioning

The instructors elaborate on ready positions and why certain units, such as SEALs, often prefer a high port inside structures. Coming through a door at low ready can require more shoulder movement to bring the rifle up, which may slow response. High port is presented as more intentional and helps prevent a suspect from grabbing the rifle during entry. If someone attempts to grab the weapon, the shooter is already in a fighting stance and can react. They demonstrate approaching the door on the knob side, recognizing an outward-opening door, and backing off to manage the potential threat area. A common mistake is aiming directly at the teammate’s hand on the doorknob; instead, shooters are told to hold at chest level, ready to engage threats beyond the door while using body language and a barrel wave as nonverbal signals to coordinate opening and entry.

Threshold assessment, pieing, and unknown space

A key rule is to avoid splitting doors internally when possible, so teammates are not trapped on opposite sides if rounds start coming through the doorway. The instructors stress proper threshold assessment, pieing the door, and understanding angles to see as much of the room as possible before committing to entry. The concept of unknown space is emphasized as the most dangerous area in a room. Shooters are encouraged to clear as much as they safely can from outside, sometimes up to roughly 90 percent of the visible area, then push into the remaining unknown space as needed. The number one person scans, then returns to position, allowing the next shooter to read body language and conduct a scan. If a wall or corner indicates there is no unknown space on one side, the entering shooter knows to drive toward the remaining uncleared areas instead of wasting movement on already secure corners.

Body language, nonverbal cues, and movement pace

The instructors highlight the importance of reading teammates’ body language during room clearing. Nonverbal communication such as barrel waves, barrel exchanges, and subtle posture changes are used instead of constant talking. SEALs and similar units rely heavily on these cues to coordinate who moves, who scans, and who enters. Proper footwork and deliberate movement through the doorway are described as critical, especially when differentiating between deliberate clearing and hostage rescue. Students are told to move only as fast as they can process information, avoiding the tendency to outrun their ability to see and think. After scanning from the threshold, a shooter should be able to step back to the wall and accurately describe what was seen in the room. This standard sets the pace for safe, effective clearing and reduces the chance of missing threats or endangering teammates.

Student run-throughs and correcting common mistakes

Students practice two-person entries, moving through a hallway, conducting their own entries, and cycling back into line. One student is coached on checking the doorknob, keeping a hand on it if unlocked, and waiting for a barrel wave from the number one shooter as the nonverbal signal to open. The instructors correct issues such as exposing the rifle barrel too far past cover, which could allow someone inside to grab it. They emphasize starting scans from a consistent side, fully clearing corners instead of drifting past them, and then driving straight to the chosen corner on entry. Communication errors are addressed, including giving barrel waves at the wrong time or failing to allow the second shooter a chance to scan. If the second shooter locks up or misses an area, the first can rescan or adjust entry, but the overall goal is disciplined, predictable movement that teammates can read and support.