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Zenitco B-31N Upper Picatinny Rail for B-30/B-30U

Brand: Zenitco
Product Code: Zen-B-31N
Availability: In Stock

  • $259
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In short: The Zenitco B-31N adds a continuous upper Picatinny section above the gas tube when paired with a B-30 or B-30U lower handguard. Its one-piece D16T aluminum body mounts with six included M5×9 screws.

Compatibility checkpoint

  • Required lower handguard: Zenitco B-30 or B-30U.
  • Documented platforms: AK and Saiga configurations based on the AK platform.
  • Mounting position: above the gas tube and gas chamber.
  • Color: select black, desert or golden khaki; the selected color opens its matching image.

Construction and purpose

B-31N is milled as a one-piece bracket from D16T aluminum alloy. Together with a compatible lower handguard, it creates an upper Picatinny mounting surface while retaining the manufacturer-documented platform fit.

Technical specifications

MaterialD16T aluminum alloy
Weight95 ± 5 g
Dimensions200 × 47 × 37 mm (±5 mm)
InterfaceUpper Picatinny rail
Operating range−50°C to +50°C
Manufacturer warranty60 months

What's in the Box

  • B-31N upper rail — 1
  • M5×9 mounting screw — 6
  • Operating manual — 1

Installation

Remove the original upper cover from the gas tube according to the platform service procedure. Reassemble the platform, position B-31N on the installed B-30 or B-30U lower handguard and secure it with the six supplied screws. Verify that every fastener is evenly seated before use.

Frequently asked questions

Does B-31N install by itself?

No. It requires a Zenitco B-30 or B-30U lower handguard as its mounting base.

Which platforms are documented?

The manufacturer documents AK and Saiga configurations based on the AK platform.

Are the mounting screws included?

Yes. The supplied set includes six M5×9 screws.

Which colors can I select?

The available selections are black, desert and golden khaki.


Zenitco Specs

Component type Upper rail

General

Brand Zenitco
Condition New
Intended Use Upper Picatinny mounting section for compatible AK and Saiga platform configurations
Material D16T aluminum alloy
Color / Finish Black, desert or golden khaki
Weight 95 ± 5 g
Dimensions (L x W x H) mm 200 × 47 × 37 mm (±5 mm)
Operating Temperature −50°C to +50°C

Mounting & Rails

Mounting method Six M5×9 screws onto B-30 or B-30U
Rail Type Upper Picatinny rail
Function Creates a Picatinny section above the gas tube

Care & Chemicals

Compatible platforms / hosts Documented AK and Saiga platform configurations using B-30 or B-30U
Required interface / configuration installed B-30 or B-30U lower handguard; six supplied M5×9 screws
Resulting interface / function upper Picatinny rail above the gas tube and gas chamber
Exclusions / limitations B-10/B-21/B-11 families and any layout without B-30 or B-30U
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