''B-31S upper handguard'' rail is a milled product made of aluminum alloy D16T coated by black/desert color. Currently available generation is V2.0.
Designed to be mounted B-30 or B-30U rails by eight screws and forms a 170±5mm Picatinny rail above the upper handguard and the barrel of AK, that does not block the line of iron sight. Also can be used as a part of "Sport-1" kit instead of B-31L rail.
Weight: 116 ± 5 gr.
Overall dimensions: (200x47x37) ± 5 mm.
Color: black or desert
In the kit:- ''B-31S upper handguard'' rail - 1 pc.;
- Screws - 8 pcs.;
- Manual - 1 pc.
To install ''B-31S upper handguard'' rail on the weapon:- Make an incomplete disassembly of the weapon.
- Install B-30 or B-30U handguard.
- Install ''B-31S upper handguard'' rail on B-30 or B-30U handguard by eight screws.