AA CNC Aluminum Hop-up Unit for KJ Works M700 - Black

Action Army CNC Aluminum Hop-up Unit for KJ Works M700 View larger
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CNC Aluminum Hop-Up Chamber for KJW M700 by Action Army in black.

Designed for gas bolt-action rifles KJ Works M700 and AAC21.

Precision pressure system for accurate long-range shooting.

Handles heavy sniper BBs (0.36–0.49 g) with ease.

Compatible with VSR / GBB inner barrels and buckings.

Durable CNC-machined aluminum construction.

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B03-015

: Action Army

CNC Hop-Up Chamber for KJW M700 by Action Army

This precision aluminum hop-up chamber is designed for sniper rifles using the KJ Works M700 and Action Army AAC21 gas system. CNC machining from high-quality aluminum ensures outstanding strength and excellent sealing. The chamber significantly improves performance consistency and allows for precise and fine-tuned pressure adjustment on the hop-up bucking. Thanks to the redesigned pressure system with the included Omega Nub roller, it’s ideal for using heavy sniper BBs up to 0.49 g. Chamber locking points are dimensioned for GBB / VSR type inner barrels. The internal layout provides optimal pressure around the bucking, ensuring perfect sealing, maximum muzzle velocity, and reliable BB feeding with precise centering before each shot, which greatly improves accuracy. Along with a quality bucking and inner barrel, this chamber is an essential upgrade for boosting accuracy and range.

Key Features

  • CNC aluminum construction:
    Durable, lightweight, and precisely built for consistent performance.

  • More accurate hop-up adjustment:
    Improves trajectory, range, and accuracy.

  • Compatible with GBB / VSR barrels and buckings:
    Easy installation without modifications.

  • Improved sealing around the bucking:
    Enhances performance consistency and reduces shot-to-shot deviation.

Technical Specifications

  • Material: CNC-machined aluminum
  • Compatibility: KJ Works M700, Action Army AAC21
  • Hop-up bucking type: GBB / VSR
  • Inner barrel type: GBB / VSR

Package Contents

  • CNC aluminum hop-up chamber for KJW M700
  • Mounting components
  • Omega Nub pressure roller
ColorBlack
Hop-Up chamber materialMetal
  • 1,90 € 2,11 € In Stock
    -10%

    : Action Army

    B03-016

    M700 Hop-Up Omega Nub by Action Army in black. Omega nub for a larger contact surface with the BB. Enhanced hop-up effect. Made from HNBR rubber. Resistant to temperature, oils, and wear. Ensures even pressure on the hop-up bucking for stable BB rotation.

    1,90 € 2,11 €
    In Stock
    Reduced price!
  • 7,61 € Out of stock

    : Maple Leaf

    MPLF118-70

    MR HOP hop-up rubber by Maple Leaf for extra range with heavier BBs. Shape: Maple R-Hop. Hardness of 70 shore (120-140 m/s). Front C-Clip for improved sealing. Compatible with GBB / VSR inner barrels without a bridge. Suitable for gas rifles and pistols (Hi-Capa, Glock, etc.) and sniper rifles with chambers designed for VSR hop-up rubbers.

    7,61 €
    Out of stock
    During the discount event, you cannot order goods that are not in stock.
  • 49,08 € 54,53 € In Stock
    -10%

    : Maple Leaf

    MPLF128

    Precision Inner Barrel CRAZY JET by Maple Leaf with a diameter of 6.04 mm. Length of 430 mm (VSR-10, SRS 16" and other models). Ultimate accuracy thanks to the innovative Crazy Jet technology. Improves performance and grouping of the weapon. Compatible with sniper rifles VSR Sniper and gas guns of the TM standard (WE, VFC and others).

    49,08 € 54,53 €
    In Stock
    Reduced price!
  • 3,17 € 4,23 € In Stock
    -25%

    : Maple Leaf

    MPLF191-80

    Silicone OMEGA NUB Tensioner by Maple Leaf in pink. Hardness 80 Shore. Provides a significant accuracy boost. Ensures precise and even pressure on the BB. Designed for all Maple Leaf hop-up buckings (MR Hop, Super Macaron, Autobot, Decepticon, and others). Compatible with most AEG / HPA chambers (and GBB chambers with tensioner nubs).

    3,17 € 4,23 €
    In Stock
    Reduced price!