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''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.
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