B-22 Rear Sight Rail

B-22 rear sight rail is a milled product made of aluminum alloy D16T with black or desert coating. Designed for installation on the following handguards: B-10M, B-10U, B-10L (also as part of “Sport-1” and “Sport-4” kits), B-21M, B-21U, B-21L (also as part of “Sport-2” and “Sport-3” kits), B-30, B-30U.

Forms a Picatinny rail for rear sights that does not obstruct the line of iron sights.

Characteristics:
Weight: 50 ± 5 g
Overall dimensions: 48 × 33 × 65 ± 5 mm

In the kit:
1 × B-22 rail
4 × M5x9 screws
1 × Manual

Important installation notes:
If installing on B-10M, B-21M, or B-30 handguards, use M5x9 screws from the B-22 kit.
If installing on B-10U, B-10L (“Sport-1”, “Sport-4”), B-21U, B-21L (“Sport-2”, “Sport-3”), or B-30U — do NOT use M5x9 screws. Use M5x7 screws from the respective handguard kit instead.

Installation steps:

1. Move the gas tube fixation lever to the upper position.
2. Install the B-22 rail on the previously mounted handguard.
3. Choose the appropriate screw type (M5x9 or M5x7) according to the handguard model.
4. Secure the rail using the selected screws.
5. Move the gas tube fixation lever to the lower position.

Warranty period: 60 months