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5KU B-31C Upper Handguard for AK - Black

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5KU B-31C Upper Handguard for AK - Black

5KU B-31C Upper Handguard for AK - Black

5KU CNC Upper Handguard B-31C for AK / AKM – Extended RIS Rail System

Take your AK build to the next level with the 5KU CNC Upper Handguard B-31C, a premium upgrade designed to replace the standard gas tube cover with a full-length 20mm RIS rail. Built specifically for AK / AKM AEG and GBBR rifles with the B-30 lower handguard, this extended upper rail provides maximum space for optics and tactical accessories.

Machined from CNC aluminum, the B-31C delivers a perfect balance of strength, precision, and lightweight performance. Its extended profile ensures a stable and continuous rail platform, ideal for mounting red dots, magnifiers, or other accessories while maintaining proper rifle balance.

Key Features

  • CNC-machined aluminum construction for durability and precise fit
  • Integrated 20mm RIS top rail for optics and accessories
  • Extended length design for maximum mounting space
  • Lightweight build – approx. 130g
  • Compatible with B-30 lower handguard
  • Perfect for modern AK tactical builds

Maximum Optic Stability & Modularity

The B-31C upper handguard is engineered for players who demand enhanced aiming performance and customization. When paired with the B-30 lower handguard, it creates a rigid, full-length rail system, improving sight alignment and allowing the use of advanced optic setups.

This configuration is ideal for CQB and outdoor engagements, offering faster target acquisition and improved shooting consistency. The aluminum construction reduces front-end weight compared to steel parts, ensuring better handling and reduced fatigue during extended gameplay.

Pair it with optics from our red dots and scopes collection or explore more upgrades in our external parts. Discover compatible platforms in our airsoft rifles collection.

For a complete setup, combine it with the B-30 lower handguard available in our external parts range.

Package Includes

  • 5KU CNC Upper Handguard B-31C

Specifications

Brand 5KU
Product Type AK upper handguard / gas tube cover
Compatibility AK / AKM with B-30 lower handguard
Material CNC-machined aluminum
Color Black
Length 195 mm
Weight 130 g
Rail System 20 mm RIS (top rail)
Compatibility Note Requires B-30 lower handguard
Body Material Metal
$18.86

Original: $62.87

-70%
5KU B-31C Upper Handguard for AK - Black—

$62.87

$18.86

Product Information

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Description

5KU CNC Upper Handguard B-31C for AK / AKM – Extended RIS Rail System

Take your AK build to the next level with the 5KU CNC Upper Handguard B-31C, a premium upgrade designed to replace the standard gas tube cover with a full-length 20mm RIS rail. Built specifically for AK / AKM AEG and GBBR rifles with the B-30 lower handguard, this extended upper rail provides maximum space for optics and tactical accessories.

Machined from CNC aluminum, the B-31C delivers a perfect balance of strength, precision, and lightweight performance. Its extended profile ensures a stable and continuous rail platform, ideal for mounting red dots, magnifiers, or other accessories while maintaining proper rifle balance.

Key Features

  • CNC-machined aluminum construction for durability and precise fit
  • Integrated 20mm RIS top rail for optics and accessories
  • Extended length design for maximum mounting space
  • Lightweight build – approx. 130g
  • Compatible with B-30 lower handguard
  • Perfect for modern AK tactical builds

Maximum Optic Stability & Modularity

The B-31C upper handguard is engineered for players who demand enhanced aiming performance and customization. When paired with the B-30 lower handguard, it creates a rigid, full-length rail system, improving sight alignment and allowing the use of advanced optic setups.

This configuration is ideal for CQB and outdoor engagements, offering faster target acquisition and improved shooting consistency. The aluminum construction reduces front-end weight compared to steel parts, ensuring better handling and reduced fatigue during extended gameplay.

Pair it with optics from our red dots and scopes collection or explore more upgrades in our external parts. Discover compatible platforms in our airsoft rifles collection.

For a complete setup, combine it with the B-30 lower handguard available in our external parts range.

Package Includes

  • 5KU CNC Upper Handguard B-31C

Specifications

Brand 5KU
Product Type AK upper handguard / gas tube cover
Compatibility AK / AKM with B-30 lower handguard
Material CNC-machined aluminum
Color Black
Length 195 mm
Weight 130 g
Rail System 20 mm RIS (top rail)
Compatibility Note Requires B-30 lower handguard
Body Material Metal