5KU AB-8R RIS (1913) Folding Stock - Black

5KU AB-8R Folding Stock with RIS (1913) Mount in black.

AB-8R features an elevated cheek rest and a removable buttplate.

For RIS stock mounts (1913 / M1913), compatible with MCX / MPX, DA STRIBOG SP10 A3 and RIS adapters for M4, MP5, and AK platforms.

Lightweight skeleton design made from aluminum.

QD sling mount holes.

Folds to both sides.

Reinforced steel mounting base.

Another product variants

  • Black
    On stock
  • Black
    On stock
  • Black
    On stock

71,44 € tax incl.

Availability: In Stock at store

5 Items  

5KU35

: 5KU

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    : SIG AIR

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    SIG AIR MPX ProForce – a new level of airsoft! The dimensions and weight of the weapon are 1:1 with the real counterpart, and with precise CNC body processing, M-LOK handguard, and realistic controls, it offers the most authentic experience. Internal technology with VFC Avalon V2 gearbox with MOSFET ensures excellent performance. Its compact size...

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    5KU42

    AEG M4 / AR15 Receiver End Plate with RIS / M1913 Stock Adapter by 5KU in black. Allows installation of stocks with RIS / 1913 (M1913) mounting interface (MCX, MPX, STRIBOG style). Can also be used without a stock for a compact M4 pistol setup. Easy installation on M4 AEG receiver (TM standard). Made from CNC-machined aluminum.

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    5KU43

    Folding Receiver End Plate with RIS / M1913 Stock Adapter by 5KU in black. Designed for LCT and CYMA airsoft AK rifles (folding stock versions). Allows installation of stocks with RIS / M1913 mounting interface (MCX, MPX, STRIBOG style). Can also be used without a stock for a compact AK pistol setup. Easy installation. Made from CNC-machined aluminum.

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    : Lambda Defence

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    RIS / M1913 Stock Adapter for TM SAIGA-12K GBB by Raptor TWI in collaboration with Lambda Defence. Compatible with MCX-style stocks and other RIS / M1913 interface stocks. Durable aluminum construction with hard anodized finish. Mounts onto the original hinge pin of the folding stock. Designed for TM SAIGA-12K and SAIGA 12 SBS GBB.

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    : Delta Armory

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    Grand Power STRIBOG SP10A3 Alpha Upgrade by Delta Armory. Alpha variant with CNC upper and M-LOK handguard. Green lower and black upper with official markings. Full upgrade configuration with CNC reinforced internals. Eagle ETU unit ready for 11.1V batteries. V2 QSC gearbox (TM standard). Rotary M4 / M16 hop-up chamber.

    281,95 €
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5KU AB-8R Folding Stock

Looking for a lightweight and sturdy folding stock that fits RIS (1913) stock mounts and can fold to either side for easier handling and transport? Need a stock with a QD sling mount for quick attachment? The AB-8R stock combines functionality, durability, and comfort thanks to its integrated raised cheek rest. The CNC aluminum skeleton body keeps weight low and ergonomics high, while the steel base ensures a solid and secure fit on any 1913 rail. The ambidextrous folding mechanism allows left- or right-side folding, making it ideal for both right- and left-handed shooters. It includes a built-in QD socket for sling attachment. Installation and removal are both easy and secure. The AB-8R is compatible with 5KU RIS adapters for M4, MP5, and AK platforms, opening up a variety of options for unique custom builds.

Key Features

  • Skeleton design:
    Lightweight frame with cutouts for optimal strength-to-weight ratio.

  • Ambidextrous folding:
    Can fold to either side for maximum adaptability and compact storage.

  • Reinforced mounting base:
    Steel foundation for a precise and stable connection to the 1913 RIS rail.

  • Durable materials:
    Aluminum body and steel base — strength without unnecessary weight.

  • QD compatibility:
    Integrated socket for QD sling swivels.

  • Compatibility:
    Fits directly on 1913 stock ends (SIG MCX, GP STRIBOG) or via 5KU RIS adapter for M4, MP5, AK, and others.

Technical Specifications

  • Mount type: RIS rail (1913)
  • Length: 197 mm
  • Width: 106 mm
  • Height: 19 mm
  • Weight: 260 g
  • Body material: Aluminum
  • Base material: Steel
  • Function: Dual-side folding
  • Color: Black

Package Includes

  • 5KU AB-8R Folding Stock
ColorBlack
Body/receiver materialMetal