A gas block for AR-10 series rifles which adds a Picatinny rail for installation of various tactical devices. Manufactured by Knight's Armament Company. Coated in cerakote Taupe color.
| Peacekeeper | $127 |
| Flea Market | ₽21,273 |
| Flea Market | ₽20,312 |
| Mechanic | ₽8,058 |
| Prapor | ₽7,195 |
| Ref | ₽7,195 |
| Skier | ₽7,051 |
| Fence | ₽4,317 |
| Peacekeeper | $53 |