When not cased and not in use, all air guns are required to use a CBI (Clear Barrel Indicator) in place except as permitted by range officer. All ported barrels must be able to have an OBI (Open Barrel Indicator) properly inserted and visible through the chamber and end of the barrel.
- Pellets – Only wad cutters in .177 cal. Can be used in all three air pistol events.
- Competitors may NOT mark their foot placement in any Air Pistol event. This includes the use of tape, coins, pellets, or any other object.
- Compression or any form of tight clothing is not allowed. This includes any garments to provide support or stability, including belts not looped through pants.
- Two models of Air Pistols or any facsimile thereof (break open pistols) are NOT allowed in this event for safety reasons: Air Venturi V10 Target and Stoeger XP4.