CTM TwinFold RIS Rail Stock 4.2" - Black View larger
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CTM TwinFold RIS Rail Stock 4.2" - Black

Airsoft RIS TwinFold Stock from CTM TAC in black.

Fixed version with a length of 4.2" (106.6 mm).

Compatible with RIS rail (M1913).

Folds to both sides.

Integrated QD mounting point with anti-rotation lock.

Made from 6061 / 7075 aviation aluminum with stainless-steel locks for maximum durability.

Další varianty

  • 127 mm
    On stock
  • 167.6 mm
    On stock
  • Adjustable
    On stock

116,25 € tax incl.

Availability: In Stock at store

> 5 Items  

CTM0083-42

: CTM TAC

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    SIGAIR01-BK

    Long awaited AEG replica of the famous SIG MCX with trademarks. The replica is manufactured by VFC, a company that prides itself on looks, then it passes quality control by a direct offshoot of SIG. So you can expect an absolutely perfect visuals of the replica and an interior that runs like a Swiss watch. The excellent replica copies its counterpart very...

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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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    : 5KU

    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.

    15,22 €
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  • 14,80 € In Stock

    : 5KU

    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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    : CTM TAC

    CTM0068-BK

    CNC RIS / M1913 stock adapter from CTM TAC in black. Designed exclusively for the AP7 SMG airsoft conversion for AAP-01 pistols. Manufactured using CNC-machined 6061 aluminum. Easy replacement for the original AP7 stock. Allows mounting modular M1913 / RIS stocks. Can also be used without a stock.

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    : Delta Armory

    DA-STG-A01-UPV-F-BLK

    Grand Power STRIBOG SP10A3 Alpha Upgrade by Delta Armory. Alpha variant with CNC upper and M-LOK handguard. Black 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.

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RIS TwinFold Stock

Looking for a lightweight and durable folding stock that fits your RIS (1913) buffer interface and offers dual-side folding for compact transport and fast handling? Need a stock with a QD sling mounting point for quick attachment? Want compatibility with popular platforms such as MCX or STRIBOG? The CTM TAC TwinFold Stock is an innovative stock system for rifles using the RIS (M1913) mounting interface, fully compatible with adapters for AR15, AK, MP5, CZ EVO and other platforms including STRIBOG, SIG MCX and MPX. Thanks to the ambidextrous folding mechanism, the stock can be folded to the left or right side based on the user's preference. The body is made from high-strength 6061 / 7075 aluminum, with four stainless-steel locking points ensuring maximum rigidity and durability. The stock features an integrated QD sling mount with an anti-rotation stop for secure attachment. Its skeleton design is also compatible with the M-LOK system, allowing the addition of accessories including alternate butt pads. If needed, the stock can be fully detached from its RIS base and the gun can be used without it.

Overview of all stock variants and usage guide

CTM-TAC TwinFold System

The stocks are available in Fixed and Adjustable versions. The Fixed version comes in several lengths:

  • 4.2 inches (106.6 mm)
  • 5.0 inches (127 mm)
  • 6.6 inches (167.6 mm)

Separate extension rods and different butt pads are also available, allowing you to fully customize your setup.

Overview of length variants (4.2"/5"/6.6")

Overview of all available lengths (4.2" / 5" / 6.6")

Key Features

  • Ambidextrous folding mechanism
    The stock can fold to either side or be removed entirely using the QD-style release buttons.

  • Maximum compatibility
    Designed for RIS adapters for AR15, AK, MP5, CZ EVO, STRIBOG, MCX, MPX, and other rifles with an M1913 rail. Adapters sold separately.

  • High-durability construction
    Made from 6061 / 7075 aluminum with stainless-steel locks for maximum strength.

  • Integrated QD sling mount
    With anti-rotation protection for secure attachment.

  • Modular design
    Allows swapping butt pads and choosing between different lengths.

Technical Specifications

  • Material: CNC-machined 6061 / 7075 aluminum, stainless steel
  • Length: 106.6 mm (4.2 inches)
  • Mounting system: RIS rail (M1913)

Package Contents

  • RIS TwinFold Stock 4.2"
ColorBlack
Length106.6 mm
Body/receiver materialMetal