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ZenitCo B-31 gen.2 Classic AK handguard

Zenitco B-31 gen.2 long upper rail for all AKs (except AKS-74U and Saiga-9). Made in Russia by ZenitCo, mounts on gen.2 B-30 handguard. Milspec.

  • Second generation of B-31 rail. It now has 4 mounting points, that increases stability. Mounts on B-30 gen.2
  • Lightweight (only 116g)
  • Fully CNC machined using D16T alluminum alloy
  • Rail length 185 mm
  • Doesn’t interfere with iron sights
  • Milspec battle tested quality
  • Full size is 200x47x37mm
  • The accessory is universal, compatible with airsoft guns
  • Click HERE for compatibility list


This ZenitCo B-31 upper rail mounts on top of B-30 handguard. Compatible with all AKs. Fully CNC machined. The rail doesn’t interfere with AK iron sights. Battle tested milspec quality, mounts rock solid.

Sizes are: 200x47x37±5 mms.

Video guide:

Additional information

Weight 0.3 g



Jungle green, Black, Desert tan


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