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Airtech Studios Advanced Hopup Chamber Inner Barrel Ring for Tokyo Marui NGRS Hop-Up Chambers

Airtech Studios Advanced Hopup Chamber Inner Barrel Ring for Tokyo Marui NGRS Hop-Up Chambers
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Airtech Studios


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The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.


  • Fully lock on the inner barrel and hop-up chamber
  • Elongated O-ring to latch onto the inner barrel
  • Stabilized System Prevents any vibrational shift on the hop set-up
  • Improve shooting consistency
  • Tough polycarbonate construction
The Advanced locking ring is designed to replace the current Oring (Normally brass) ring at the end of setting up the hop unit, however, with the original, there is a tendency for a wobbly gap in between the components which would tilt the barrel at an angle.

Once the new Oring is installed, it will ensure a snug fit to restrict the motion of the barrel that is inside the hop-up chamber. It will secure the inner barrel and maintains itself steadily locked in the true horizontal position. Even when shots are fired, which is the moment where there is the most stress and vibration at the hop-up, the Oring will ensure the structure is intact.

This in turn will create a dependable system for the BB to travel down the barrel undisturbed for the most consistent and accurate shots.

The new Advanced O-ring is also designed longer in size to lock more of the inner barrel and hop-ups surface area to further stabilize the sensitive system.

Manufacturer: Airtech Studios


Compatibility: Tokyo Marui HK416 & HK16C Series, HK417 Series, M4 SOPMOD Series, Scar L & Scar H and other compatible Airsoft AEG NGRS rifles
Package Includes: O-Ring, 5x Silicone O-Rings
Material: Polycarbonate

Disclaimer: Professional installation highly recommended. Please use discretion when installing custom parts as fit and compatibility may vary. Modification may be required. Professional installation recommended.
Note: 5x silicone o-rings are also included with the package used to replace the spring that goes along the inner barrel. Tests incrementally you need for a perfect fit.

About Airtech Studios

At Airtech, we pride ourselves on finding and developing bespoke Airsoft accessories that enhance your Airsoft gaming experience.

Our team at Airtech Studios strives to develop unique innovations to push the boundaries of Airsoft performance to its limits and beyond.

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