| Term | Translation | Definition |
| accessories | | ... |
| accidental discharge | | ... |
| accuracy, precision | | ... |
| accurate hit | | ... |
| active shooter | | ... |
| adjustable recoil pad, adjustable butt plate | verstellbare Schaftkappe
| ... |
| adjustable sights | | ... |
| adjusting ring | Verstellring
| ... |
| adjusting screw | Verstellschraube | ... |
| adjustment, setting | | ... |
| aim | | ... |
| air gun dart | Luftgewehrbolzen | ... |
| air pistol | Luftpistole | ... |
| air rifle | | ... |
| airgun pellets | Luftgewehrgeschosse
| ... |
| airsoft pellets | | ... |
| alarm pistol | Alarmpistole, Schreckschusspistole, Startpistole | ... |
| ambidextrous | | ... |
| ammunition | | ... |
| ammunition belt | | ... |
| ammunition box, ammo can | | ... |
| ammunition marking | | ... |
| angle of departure | Abgangswinkel | ... |
| angle of descend | Fallwinkel | ... |
| angle of elevation | Höhenrichtung, Erhöhungswinkel | ... |
| angle of impact | | ... |
| angle of jump | Abgangsfehlerwinkel | ... |
| angle of tangent elevation, angle of projection, tangent angle | Visierwinkel | ... |
| ankle holster | | ... |
| antistatic | | ... |
| anvil | Amboss | ... |
| apex of trajectory | Flugbahngipfel, Gipfelhöhe, Gipfelpunkt | ... |
| arm | | ... |
| armed encounter | | ... |
| armour-piercing projectile | | ... |
| armourer | | ... |
| ascending branch of trajectory | aufsteigender Ast der Flugbahn | ... |
| assault rifle | | ... |
| attack | | ... |
| attacker | | ... |