| Term | Translation | Definition |
| eje de cañón | axis of the piece | ... |
| empujador | hammer strut, mainspring strut | ... |
| empuñadura | pistol grip, handle | ... |
| empuñadura de pistola | pistol grip, hand grip | ... |
| empuñadura media pistola | half-pistol grip, semi-pistol grip | ... |
| empuñadura, mango | grip, hilt | ... |
| engaste, engarce | crimp, crimping | ... |
| escopeta | self-loading shotgun | ... |
| escopeta de dos cañónes superpuestos | superposed shotgun, over and under shotgun | ... |
| escopeta de dos cañónes yuxtapuestos | double barreled shotgun | ... |
| escopeta de tres cañones | three barrel shotgun | ... |
| escopeta de un cañón | single barrel shotgun | ... |
| escopetas | shotguns | ... |
| espalda de hoja, dorso | blade back | ... |
| estabilizador | stabilizer | ... |
| expulsora | extractor | ... |
