B-31S Upper Handguard is a milled rail made from D16T aluminum alloy with a black or desert color coating.
The current available version is V2.0.
Designed to be mounted on B-30 or B-30U rails using eight screws, the B-31S forms a 170 ± 5 mm Picatinny rail above the upper handguard and barrel of AK models.
It does not obstruct the line of sight when using iron sights. This handguard can also be used in the "Sport-1" kit as a replacement for the B-31L rail.

Specifications:

Material: Aluminum alloy D16T

Weight: 116 ± 5 g

Overall dimensions: (199 x 49 x 37) ± 5 mm

Operating temperature range: from -50 °С to +50 °С

In the Kit:

Installation Instructions:

1. Perform an incomplete disassembly of the firearm.
2. Install the B-30 or B-30U handguard.
3. Attach the B-31S upper handguard rail to the B-30 or B-30U handguard using the eight screws provided.

The manufacturer reserves the right to make changes to the product design or configuration without prior notice, provided these changes do not worsen the technical characteristics or consumer properties of the product and align with the aim of improving its design or production technology.