- Prometheus Hop Up Tensioner w/ Soft & Hard for Tokyo Marui AEG series (Flat type) PR-4560329179185$11.99As low as $10.19
- Airtech Studios Retroarms TDC R-hop Trolley & M-nub Designed for Retroarms Hop-up Chambers Out of Stock RETRO-TDC-RHOP$14.99
- Airtech Studios Advanced R-Hop Arm & M-nub for KWA QRF MOD1 / MOD2, Ronin 6, T6 Rotary Hopups Out of Stock KWA-TDC-RHOP$14.99
- Prometheus G&G / Krytac Airsoft M4 AEG Hop Up Chamber 'ELITE' (CNC) Out of Stock PR-4571443182197$88.99
- Airtech Studios KWA TK45 Series TDC Bracket Converter Kit (R-Hop / Flat-Hop / Maple Leaf MR) Out of Stock AIT-TDC-KWATK45$14.99
- Airtech Studios Prowin M4 Hop Up Chamber TDC Bracket Converter Kit (R-Hop / Flat-Hop / Maple Leaf MR) Out of Stock AIT-TDC-PROWIN-M2$14.99
- Airtech Studios Prowin Hop Up Chamber True Centering Unit and Advanced Stabilizer Oring Out of Stock AIT-TCU-PROWIN-M2$9.99
- Airtech Studios TDC Trolley w/ M-nub for Tokyo Marui SCAR H / HK417 (R-Hop & Flat Hop) Out of Stock AIT-TDC-TM-SCAR$11.99
- Airtech Studios R-Hop & Flat Hop Tension Nub (Hard Strength) for All AEG Hop Up Chamber Out of Stock AIT-TEN-AEG-RHOP$9.99