B-21L handguard rail

B-21L handguard rail is a milled product made of aluminum alloy D16T coated with black or desert color. Designed for Vityaz SN, Saiga-9, TR9 Raradox and rifles based on them.

The rail forms Basis rails on three sides, allowing direct installation of accessories, such as:

• B-2, B-2L, B-2M, B-2U Picatinny rails
• A-1L, A-2L slingmounts
• RL-1 hand stoppers
• RK-0L, RK-1L, RK-2L, RK-4L, RK-6L grips
• NPN-2 Basis rail covers
• FP-3 wire holders

Compatible with B-19, B-19N upper handguards and B-22 rear sight rail. Can be used as a part of "Sport-2" or "Sport-3" kit.

Material: D16T aluminum alloy
Weight: 85 ± 5 g
Overall dimensions: (170x38x40) ± 5 mm
Operating temperature: -50 to +50°C

Included in the kit:

• B-21L handguard rail – 1 pc
• Manual – 1 pc
• M5x7 screws – 8 pcs

Note: M5x7 screws are used to install B-19, B-19N, B-22 rails. Do not use M5x9 screws – they are for B-21M only.

Installation instructions:

1. Disassemble the rifle and remove the regular handguard.
2. Install the B-21L instead of the regular handguard. It must be mounted tightly:
   - Reuse the regular handguard retainer.
   - Fit B-21L to the receiver.
   - Use a spacer and gently hammer the B-21L in.
   - Lock the handguard retainer lever.
3. Reassemble the rifle.

Warning: Do not file the handguard – this may cause looseness at the junction and affect accuracy.