SK One S - SK One SL
Technical specifications
| Type | Over and under shotgun |
| Caliber | 12 - 16 - 20 - 24 - 28 - 410 |
| Chamber | 70 - 76 |
| Barrels | On request |
| Chokes | On request |
| Frame | With side plates |
| Stock | Pistol or Prince of Wales or English |
| Forend | English or Goose bill |
| Engraving | Laser or by hand |
| Shot | Double trigger or fixed single trigger or selective single trigger |