SKU: 1292282546

Elite CNC Hop-Up Chamber for VFC M4

Sale price$116.99 Regular price$129.99
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Description

Elite CNC Hop-Up Chamber for VFC M4ELITE CNC HOP UP UNIT for VFC Manufactured with ultra high precision CNC machining Rotary type, hop up dial with positive click adjustment Vertical aluminum hop arm for consistent hop performance Includes two buckings: Prometheus Original Purple and New 60 Degree Blue The Elite Hop Up Chamber is the ultimate precision CNC machined hop up unit designed for VFC based AEG electric airsoft replicas. This chamber pushes every element of the hop up system

ELITE CNC HOP-UP UNIT for VFC

●Manufactured with ultra-high precision CNC machining

●Rotary type, hop-up dial with positive click adjustment

●Vertical aluminum hop arm for consistent hop performance

●Includes two buckings: Prometheus Original Purple and New 60 Degree Blue

The Elite Hop-Up Chamber is the ultimate precision CNC-machined hop-up unit designed for VFC-based AEG electric airsoft replicas. This chamber pushes every element of the hop-up system to the maximum, greatly enhancing the performance of your airsoft replica and its hop-up. Lightweight aluminum is used in the construction of this chamber, and it is fully machined in Japan. The lightweight yet durable aluminum is precisely manufactured, allowing for excellent consistency. In addition to its construction, the hop-up dial uses a ball bearing and spring to provide a positive "click" sound when making adjustments. This design not only allows for extremely precise adjustments, but also keeps the hop setting securely in place even under heavy use.

Our hop-up buckings are designed to fit perfectly with our EG inner barrels. By combining our barrel and bucking with this CNC hop-up chamber, exceptional air seal is guaranteed, resulting in impressive performance on the field. With the inclusion of two buckings, you can choose the original Prometheus Purple bucking for velocities under 350 FPS with 0.28g BBs, or the Prometheus 60-degree Blue bucking for velocities of 350+ FPS using 0.28g up to 0.32g BBs. Build your AEG to the highest standards with a Prometheus Elite CNC chamber, bucking, and barrel for optimal performance!

Compatibility:

●VFC Avalon Series AEGs

●VFC Samurai Edge Series AEGs

●SIG AIR Proforce MCX AEGs

●SIG AIR Proforce MPX AEGs

●BCM Air MCMR AEGs

●VFC H&K 416 Series AEGs

●VFC H&K 417 Series AEGs*

*417 Series AEGs are not a direct fit and may require some modification. Removing or trimming the hop-up retention clip will allow this chamber to fit properly. Please consult a trusted and reputable airsoft technician for assistance.

■ Brand: Prometheus

■ JAN: 4571443183613

■ Caution:

※ Not all AEG models are fully compatible without modification. Use the original stopper screw or barrel stabilizing springs to ensure a secure fit.

※ Be careful not to apply silicone spray or oil inside the inner barrel or on the hop-up bucking, as this may cause inconsistencies.

※ The use of LayLax Prometheus inner barrels and hop-up buckings is recommended for optimal performance due to the pre-set fit dimensions.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 1292282546

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JJ Fording
San Leandro, US
★★★★★ 5
Balls
Size: Medium
My dog loves chasing these balls. He seems to love the squeak! They fit the chuck it stick perfectly, and are great replacements for the originals that came with the stick.
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Reviewed in the United States on February 7, 2026
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Steve just Steve
Waukegan, US
★★★★★ 5
Nice set of balls
Size: Medium
The squeaker quickly became my dog’s favorite ball and has replaced the fuzzy tennis balls. My dog is a nonstop fetcher and these chuck it balls are durable and fun.
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Reviewed in the United States on January 9, 2026
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Claudia Garfield
Dallas, US
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
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Timothy john starkweather
Draper, US
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026
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Christy D.
Waukegan, US
★★★★★ 5
Aggressive chewer who loves fetch approved!!
Size: Medium, Size: Medium
I highly recommend the Chuck-It brand in general, especially for dogs with an aggressive bite. These balls are awesome and are the most durable balls I’ve bought for my 50 lbs lab mix. He has not been able to break one of them yet and we’ve had a few of the squeaky balls for months. They are a bit pricey but worth it. The one in the pic has been used for months, lives outside and you can see it’s still in great shape.
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Reviewed in the United States on June 22, 2025

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