| ACLDN | Armed Citizen's Legal Defense Network |
|---|---|
| ACOG | Type of rifle scope |
| AD | Accidental Discharge |
| ADEE | Avoid, Disengage, Escape, Evade |
| AG | Attorney General |
| AOJP | Ability, Opportunity, Jeopardy, Preclusion |
| AQ | Al Qaeda |
| AR | Although not historically correct, you can think of it as meaning "assault rifle", like an AR-15 is the civilian equivalent to the military M-16 |
| ATSA Village | A mocked up "village" which is part of the National Tactical Invitational, an annual event hosted by the American Tactical Shooting Association |
| AWOL | Absent without leave |
| BDU | Battle Dress Uniforms |
| BHO | Barack Hussein Obama, the Nobel Peace prize winning 44th President of the United States of America |
| BUIS | Back Up Iron Sites |
| CCTV | Close-circuit television, or video surveillance |
| CCW | Concealed Carry Weapon |
| CHL | Concealed Handgun License |
| CO19 | Armed unit of Scotland Yard |
| CONUS | Continental United States |
| CQB | Close Quarters Battle |
| CWP | Concealed Weapon Permit |
| DAK | Double Action Kellerman, the name SigArms gives it's trigger system that has lighter and shorter pull |
| DAO | Double Action Only trigger system. On a long first trigger pull, it will cock the gun and fire it |
| DOA | Dead on Arrival |
| DOD | Dept of Defense |
| DRT | Dead, Right There |
| FAAC | FAAC Inc, a company which produces software for simulators, such as driving or weapons simulators |
| FAL | Fusil Automatique Leger, a popular Belgian automatic rifle used by many NATO troops |
| FMJ | Full metal jacket or hardball ammunition, the typical configuration of which includes a bullet with a soft core metal, usually lead, encased in a harder metal "jacket", usually a copper alloy. The jacket allows higher muzzle velocities and without depositing lead in the gun barrel |
| FTO | Field Training Officer |
| Hard ball | See FMJ, above |
| IBD | Israeli Battle Dressing |
| IDF | Israel Defense Force |
| ILEETA | International Law Enforcement Educators, and Trainers Association |
| LAPD | Los Angelos Police Dept |
| LASO | Los Angelos Sheriff's Office |
| LEO | Law Enforcement Officer |
| MO | Modus Operandi (latin), roughly translated as "method of operations", describing a repeated pattern or habit |
| ND | Negligent Discharge or discharge of a firearm involving culpable carelessness |
| NTI | National Tactical Invitational, an annual event hosted by the American Tactical Shooting Association |
| NYPD | New York Police Dept |
| OC | Oleoresin Capsicum or pepper spray |
| OEM | Original Equipment Manufacturer |
| OODA Loop | Observe, Orient, Decide, Act. Felt to be the process by which decisions are made. The goal is to "Get inside the opponents decision cycle" to gain the advantage |
| PD | Police Department |
| POI | Point of Impact, where the bullet goes, as compared to where the bullet was supposed to go as indicated by the sights of the weapon |
| RFID | Radio-frequency ID chips. These hold a variety of digital information depending on the application. Current US passorts include a RFID chip which contains personal information including, but limited to, a photograph and biometric identification |
| SA | Single action trigger system where the hammer must first be manually cocked before becoming capable of being fired by pressing the trigger. Single action pistols typically have a very short trigger pull |
| SA | South Africa |
| SA | Special Agent |
| SAC | Special Agent in Charge or lead FBI investigator |
| SA - Glock | Glock's "safe action" trigger system, a partly tensioned firing pin lock |
| SO | Sheriff's Office |
| SOP | Standard Operating Procedure |
| Tin | Slang for badge |
| TSA | Transportation Security Administration, part of the Department of Homeland Security, a US government agency. The people who make you take off your shoes at the airport |
| USN | United States Navy |
| VBC | Victim By Choice |
| VCA | Violent Criminal Actor |
| WFZ | Weapon-Free Zone |
Based on a list courteously provided by Kent Katz.