| EPeS NiPTFE Duralumin Nozzles | wyshtech.com | 16 USD | 20 USD | −20% |
| EPeS Cylinder head AEG Mk.III uni V2/3 – standard – EF | wyshtech.com | 29.5 USD | 36 USD | −18.1% |
| EPeS Cylinder head AEG Mk.II uni V2/3 – LONG (SR25 length) – EF (Options Available) | wyshtech.com | 33 USD | 38 USD | −13.2% |
| EPeS M249 Hopup Chamber for A&K & Classic Army M249 AEG | wyshtech.com | 1379 USD | — | — |
| EPeS Cylinder Head AEG Mk.II uni V2/3 – extra long – EF (Options Available) | wyshtech.com | 743 USD | — | — |
| EPeS Cylinder head AEG Mk.II uni V2/3 – standard – NON EF | wyshtech.com | 637 USD | — | — |
| EPeS AEG piston weight gain set | wyshtech.com | 552 USD | — | — |
| EPeS AEG Enlarged Sector Gear Cam Set — 0.5 mm & 1 mm Tappet Stroke Increase | wyshtech.com | 138 USD | — | — |
| EPeS screws for AR15 grip AEG - 8mm | wyshtech.com | 128 USD | — | — |
| EPeS Screw kit for gearbox V2 (HEX/ALLEN) | wyshtech.com | 107 USD | — | — |
| EPeS Rubber Cylinder Head Pad | wyshtech.com | 96 USD | — | — |
| EPES Tracer for MAXX M4 HopUp Units | realstrikearena.com | 79.95 EUR | — | — |
| EPES HPA S&F Line 100cm | realstrikearena.com | 69.95 EUR | — | — |
| EPES HPA S&F Line 80cm | realstrikearena.com | 69.95 EUR | — | — |
| HPA S&F Hose Mk.II 115cm with Braided | airsoftbazaar.shop | 69.9 EUR | — | — |
| EPeS Airsoft CNC Machined Hop-Up for M249 | katechairsoft.com | 63 USD | — | — |
| EpeS Cylinder Head for AEG H+PTFE V2/3 Long Nozzle Length No Pad | bullseye-dropship-warehouse.co.uk | 30.49 GBP | — | — |
| EPeS Dummy suppressor inserts for airsoft suppressors | wyshtech.com | 30 USD | — | — |
| EPeS Tracer unit for Hop-Up chambers | wyshtech.com | 14 USD | — | — |
| EpeS AR15 Barrel Nut Spacer 5pcs – 0.1x22.5x28mm | bullseye-dropship-warehouse.co.uk | 11.49 GBP | — | — |
| EpeS AR15 Barrel Nut Spacer 5pcs – 0.1x25x30mm | bullseye-dropship-warehouse.co.uk | 10.99 GBP | — | — |
| EPeS TM/WE Glock GBB magazine GasRoute washer | tac6.ie | 10 EUR | — | — |
| EpeS AR15 Barrel Nut Spacer 5pcs – 0.1x24.2x29.7mm | bullseye-dropship-warehouse.co.uk | 8.99 GBP | — | — |
| EPeS Oring set for AEG Hopup chamber | wyshtech.com | 5.5 USD | — | — |
| EPeS Aluminum AOE Piston Spacer kit | wyshtech.com | 5 USD | — | — |
| EpeS Gearbox Washers Set | bullseye-dropship-warehouse.co.uk | 4.49 GBP | — | — |
| EPeS - Spare Seal O-ring Kit for AEG Piston Head | tac6.ie | 4 EUR | — | — |
| EPeS - Spare Seal O-ring Kit for AEG Piston Head Thick | tac6.ie | 4 EUR | — | — |
| EPeS Washers gearbox 0.1 mm | tac6.ie | 3.99 EUR | — | — |