The RK-1 foregrip can be installed on the lower part of handguards with a Weaver rail. It provides better operational control of a weapon during firing. Installed on B-25U mount for easier handling of LMGs. Manufactured by Zenit.
| Skier | ₽47,444 |
| Flea Market | ₽67,751 |
| Flea Market | ₽60,000 |
| Mechanic | ₽10,360 |
| Prapor | ₽9,250 |
| Ref | ₽9,250 |
| Skier | ₽9,065 |
| Fence | ₽5,550 |
| Peacekeeper | $74 |