The UltiMAK M1-B gas tube for AK assault rifles sets the gas piston movement direction and, at the same time, serves as a mount for installing reflex sights and tactical devices.
| Skier | ₽2,578 |
| Flea Market | ₽4,000 |
| Flea Market | ₽4,000 |
| Mechanic | ₽1,254 |
| Prapor | ₽1,120 |
| Ref | ₽1,120 |
| Skier | ₽1,098 |
| Fence | ₽672 |
| Peacekeeper | $8 |