Airtech Studios Ares Amoeba M4 Series Rotary Hop Up TDC Converter Kit

Price: $10.47 – $14.99 — In stock at 2 retailers.

Prices last checked July 29, 2026 across 2 retailers.

Airtech Studios Ares Amoeba M4 Series Rotary Hop Up TDC Converter Kit The TDC (Top-Down-Centre) Trolley Converter is designed for the Ares Amoeba Plastic Rotary Hop-up Chamber to radically upgrade the applicable hop-up inside the chamber. Types of Hop the Conversion Kit can be Used for The kit may be used in unison with all bucking types and also works perfectly for R-Hop Flat-hop setups utilizing a trolley system that applies hop perfectly downwards for the most consistent pressure distributed onto the BB. As a result, increased accuracy over longer distances. Why TDC (Top-Down-Center)? The idea of using a Top-down-center is a well sought after functionality in airsoft that maximizes the amount of friction allowed onto a BB round and there are third part chambers that can achieve this. However, switching to a third party chamber could carry a series of risks such as double BB feeding, misfeeding, and inconsistent air compression. That is the reason why we opted for an upgrade option for the original hop-up chamber that is specifically designed for Ares Amoeba models. M-Nub We tested the performance of many types of M-nubs for its firmness, durability, and ability maintain its shape under intense pressure. We settled with a version that ticks all of these boxes. 2x M-nubs are included that covers the length of the hop-up window to maximize the amount of exposure onto the bucking and then BB. This ensures the most stable hop, while the BB accelerates through the hop mound/ Arch. Outer Barrel Modifications Please note that this kit will require modification to the outer barrel of your airsoft replica, however, is straightforward and worth your while after! The Integration kit is made for the Ares Amoeba Plastic hop up unit. Slight modification/ Sanding is required Core Benefits After Install Increase shooting distance, accuracy and consistency. Micro adjustments for the perfect hop setting. Using original chamber will ensure optimum BB feeding, FPS consistency, and pr

Airtech Studios Ares Amoeba M4 Series Rotary Hop Up TDC Converter Kit price comparison: the lowest price is $10.47 at eHobby Asia, the highest is $14.99, and the median across 2 tracked listings is $12.73. Comparing retailers can save up to 30% ($4.52) versus the highest-priced listing.

Compatible with: M4/AR

Which hop-up unit fits AEG? Compare fitment & prices →