Zenitco B-21M Three-Rail Picatinny Handguard
- $249
Available Options
In short: The Zenitco B-21M is a one-piece D16T handguard for the standard lower position on Vityaz-SN, Saiga-9 and TR9 Paradox. It provides three Picatinny rails and supports the documented B-19, B-19N and B-22 upper components.
Compatibility checkpoint
The current manufacturer page documents B-21M for Vityaz-SN, Saiga-9 and TR9 Paradox. It replaces the standard lower component and must seat tightly in the original interface. For a three-sided Bazis alternative, compare the B-21L.
Interfaces and related components
Three integrated Picatinny rails accept compatible accessories directly. The manufacturer documents the B-19, B-19N and B-22 as upper-component paths, plus RK-0, RK-1, RK-2, RK-4, RK-5 and RK-6 grips, A-1 and A-8 attachment points.
Technical specifications
| Documented platforms | Vityaz-SN, Saiga-9 and TR9 Paradox |
|---|---|
| Material | D16T aluminum alloy |
| Interfaces | Three Picatinny rails |
| Weight | 180 ± 5 g |
| Dimensions | (165 × 54 × 42) ± 5 mm |
| Operating range | −50°C to +50°C |
| Manufacturer warranty | 60 months |
| Colors on this card | Black, desert or golden khaki |
What's in the Box
- B-21M handguard in the selected color — 1
- User manual — 1
Installation note
The manufacturer specifies a very tight fit in the original lower interface and warns against filing the component because removed material can create movement. Use an appropriate spacer during fitting and seek professional installation if the interface is uncertain.
Frequently asked questions
Which platforms are documented for B-21M?
Vityaz-SN, Saiga-9 and TR9 Paradox.
How many accessory rails does it provide?
Three integrated Picatinny rails.
Which upper components are documented?
The manufacturer lists B-19, B-19N and B-22.
Should the part be filed during fitting?
No. The manufacturer warns that filing can cause movement at the interface.
General
Mounting & Rails
Kit Contents
Care & Chemicals
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