| Abbreviation | Definition |
|---|---|
| MSZU | Müller Schießzentrum Ulm |
| MSZU | Müller Schiesszentrum Ulm (German: Müller Shooting Center Ulm) |
| MVSG | Miami Valley Shooting Grounds |
| NAMSA | North American Mounted Shooting Assoc |
| NAPSI | National Association of Professional Shooting Instructors |
| NHSA | National Hunting and Shooting Association |
| NSL | National Shooting League |
| NTSM | North Texas Shooting Matches |
| OASR | Oregon Association of Shooting Ranges |
| OC | Open Carry |
| OIS | Officer Involved Shooting |
| OPSA | Otero Practical Shooting Association |
| OWSA | Old West Shooting Association |
| OWSS | Old West Shooting Society |
| PCC | Pistol Caliber Carbine |
| PITA | International Trapshooting Association |
| PROVE | Point (the firearm in the safest direction); Remove (all ammunition); Observe (the chamber); Verify |
| PRSC | Pacific Regional Shooting Championships |
| PSE | Precision Shooting Equipment |
| PST | Precision Shooting Tactical |