Prowin M4 Hop-up Chamber - TDC Bracket Converter Kit (R-HOP/FLAT-HOP/ – Airtech Studios

Prowin M4 Hop-up Chamber - TDC Bracket Converter Kit (R-HOP/FLAT-HOP/ – Airtech Studios

Prowin M4 Hop-up Chamber - TDC Bracket Converter Kit (R-HOP/FLAT-HOP/ – Airtech Studios

Tokyo Marui Hop NGRS - TDC Bracket Converter Kit (R-HOP/FLAT-HOP/ MR M – Airtech Studios

Prowin M4 Hop-up Chamber - TDC Bracket Converter Kit (R-HOP/FLAT-HOP/ – Airtech Studios

Tokyo Marui Hop NGRS - TDC Bracket Converter Kit (R-HOP/FLAT-HOP/ MR M – Airtech Studios

VFC M4 & Sig Sauer MCX Virtus Series - TDC Bracket Converter Kit (R-HO – Airtech Studios

Airtech Studios TDC Bracket Converter For Krytac Trident M4 / Kriss Vector ( R-Hop / Flat-Hop / Maple Leaf MR) - eHobbyAsia

TDC Converter Kit for Prowin M4 Rotary Hopup Chamber (R-hop, Flat-hop, Macaron) : : Automotive

Krytac Trident M4 & Kriss Vector Hop-up Chamber - TDC Bracket Converte – Airtech Studios

Airtech Studios VFC M4 & Sig Sauer MCX Virtus Series - TDC Bracket Converter Kit (R-HOP/FLAT-HOP/ MR Maple Leaf) - AirsoftGoGo

Prowin Hop-up Chamber- True Centering Unit (TCU) and Advanced Stabiliz – Airtech Studios

Airtech Studios tdc Rhop and Flathop convert kit for Prowin Hop-up

Advanced TDC BB Tube (Silverback A1/A2 & Maxx Model

VFC M4 & Sig Sauer MCX Virtus Series - TDC Bracket Converter Kit (R-HO – Airtech Studios

Prowin M4 Hop-up Chamber - Modified R-HOP Arm – Airtech Studios