APFG MCX GBB TDC Hop Up Chamber Full Set
APFG MCX GBB TDC Hop Up Chamber Full Set
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What's in the Set
- Bobbly Precision TDC Hop-Up Chamber — TDC-style chamber with dual-side anti-movement locking system, VSR inner barrel support, and 70° TDC Precision Bucking included
- Enhanced APFG MCX Chamber Base — CNC-machined T6 aluminum with hard anodizing and black nitrided steel components; reinforced front structure for steel outer barrel builds
- 2mm red CNC POM shim — required spacer for APFG MCX fitment
- One 70° TDC Precision Bucking — included with the chamber
Why This Set?
The Bobbly Precision TDC Chamber and the Enhanced MCX Chamber Base were engineered to work together. The chamber base provides the structural foundation — reinforced for steel outer barrels and machined to accept the TDC chamber directly with no modification. The TDC chamber delivers precise, repeatable hop-up adjustment via M2 Allen key through the fake shell ejection port.
Buying the set ensures full compatibility out of the box and saves you the guesswork of sourcing and matching parts individually.
Key Features
- TDC adjustment system — consistent pressure application, tunable via M2 Allen key or GHK/VFC-style ejection port tool
- Dual-side anti-movement locking — tensioned roller ball grub screws keep hop setting stable under GBBR recoil
- Reinforced chamber base — handles the stress of heavy steel outer barrels without flex or thread wear
- VSR inner barrel compatible — revised C-clip geometry supports VSR-spec barrels
- Invisible upgrade — once installed, the entire assembly sits hidden inside the rifle for a fully stock external appearance
- Drop-in for APFG MCX — no modification required when using the included 2mm red shim
Compatibility
| Platform | Compatibility | Notes |
|---|---|---|
| APFG / VFC MCX GBB (Rattler / Legacy / SPEAR LT) | ✔ Compatible | Designed specifically for this platform. Use included 2mm red shim. |
| APFG MPX GBB | ✘ Not Compatible | Different chamber geometry. |
| APFG M7 GBB | ✘ Not Compatible | Revised internal structure and different chamber layout. |
Package Disclaimer
This product is intended for airsoft use only. Due to manufacturing tolerances between different GBB platforms and aftermarket parts, minor fitting work may occasionally be required. This is normal for advanced GBB tuning parts and does not constitute a defect.
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FAQs
Quality Standard
Product Characteristics & Cosmetic Standards
Our products are manufactured using precision machining and industrial finishing processes. As a result, minor cosmetic characteristics may be present, including but not limited to light machining marks, tool traces, finish variations, minor surface marks, slight discoloration, or light surface oxidation where applicable.
In mechanical systems, slight movement, wobble, or play between components may occur due to designed tolerances and does not affect function or performance.
These characteristics are purely cosmetic or tolerance-related, fall within normal manufacturing standards of the airsoft industry, and do not constitute a product defect.
Returns or warranty claims based solely on such cosmetic or tolerance-related characteristics may therefore be declined in accordance with our return policy.
Light surface oxidation (rust), where applicable, is a normal material property and can typically be removed through routine maintenance (e.g., WD-40 and a soft brush).
This notice does not limit any statutory consumer rights.
Support
We take every piece of feedback seriously – but only if it actually reaches us.
Customers who contact us directly will always receive full support: replacement, additional shipment, or refund, handled promptly and without complications.
What we cannot do is monitor complaints posted in Discord servers, forums, or YouTube comments. In those places we see no order number, no details, and therefore we cannot provide a real solution.
Shipping
We aim to ensure fast and reliable delivery to all our customers, whether you’re in the EU or elsewhere in the world.
Shipping is either from our Latvian or Asian warehouse, according to the inventory availability
We will always pick the best lane for your country/area. The average delivery time to EU and UK is 7-14 days, to USA and Canada is 14-21 days, South Korea, Thailand and Japan 5-14 days.
Return & Cancellation
- Orders not yet dispatched can be canceled free of charge.
- EU customers are eligible to initiate return process within 14 days upon the delivery of the parcel. No return accepted from countries and regions outside of the EU
- Returned items must be in absolutely resealable condition, otherwise we have the right to refuse the return or reduce the refund amount
- If the return is not caused by our own mistakes, customers are always to bear the return cost
- Refusing delivery of a shipment, failing to collect a parcel, or providing incorrect or incomplete shipping information does not constitute a valid withdrawal.