The GunZee Range Manual

The GunZee Range Manual is a training resource library for
defensive shooters, law enforcement, military personnel, and firearms
instructors.

Articles cover shot placement on anatomical
targets, close-quarters battle and hostage scenario drills, use-of-force
decision-making, marksmanship fundamentals, situational awareness, and
training methodology. All content emphasizes realistic, scenario-based
instruction designed to translate range performance into operational
capability.

Cardiac BoxAdvancing crowd knife assault scenario shooting target with printed cardiac box and modified T-box scoring zones, 24 by 36 inches

T-Box, Cardiac Box, A/C Zones: Shooting Target Kill Zones Explained

Every scored zone on a training target came from somewhere — trauma surgery, Col. Martin Fackler's Army wound-ballistics laboratory, the FBI's 1989 wounding-factors report, or the competition circu...

Anatomical Shooting TargetsAnatomical full-system vital zone shooting target showing cardiac and CNS zones on a life-size figure

Anatomical Shooting Targets: Train Vital Zones, Not Scoring Rings

Anatomical shooting targets put the body's real stop zones — cardiac box, cranial T-box, pelvic girdle — at true size on a life-size figure. What they are, how they differ from ring-scored silhouet...

Anatomical Shooting TargetAnatomical Frontal Handgun Threat target showing cardiac box and cranial T-box vital zones

Cardiac Box vs. T-Box: When to Shift Your Aim Mid-Engagement

The cardiac box is the default defensive shot. The cranial T-box is the answer when the cardiac box is denied. The shift between them is a real-time decision built from training reps — not a textbo...

anatomical shooting targetAnatomical full-system shooting target showing cardiac box, cranial T-box, and pelvic girdle vital zones

Anatomical Targets vs. Bullseye: Why Shot Placement Saves Lives

A bullseye scores any hit inside the ring. A human threat does not. Anatomical shooting targets show the cardiac box, cranial T-box, and pelvic girdle — the specific structures that fail when struc...