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 | ₽48,444 |
| Flea Market | ₽62,543 |
| Flea Market | ₽59,999 |
| Mechanic | ₽10,578 |
| Prapor | ₽9,445 |
| Ref | ₽9,445 |
| Skier | ₽9,256 |
| Fence | ₽5,667 |
| Peacekeeper | $69 |