Introducing the Prometheus EG Barrel W, a model featuring a Wide-Expanded HOP window that builds upon our popular EG barrel. This updated version incorporates a wider and expanded HOP window, accommodating various HOP nubs and tensioners for enhanced performance.
The inner barrel boasts a bore width of 6.03mm with a tolerance of 0.01mm. Crafted from durable stainless steel (SUS), it provides exceptional strength necessary for maintaining accuracy without relying on additional coatings. The HOP window utilized in this model follows a wide design similar to the Prometheus KRYTAC-compatible EG barrel, making it particularly suitable for setups involving R-HOP and other advanced hop tuning techniques. It is also compatible with other tuning setups, allowing for a wider range of customization possibilities.

Prometheus Stainless Steel 6.03mm EG WIDE Inner Barrel for Tokyo Marui AEG (300mm)
For use on Tokyo Marui AEG Airsoft Rifle
High grade precision barrel at 6.03mm diameter for extra power and precision shooting
Choose this barrel to suit your model
For custom upgrade user, you can choose a longer barrel
PROMETHEUS EG Barrel by LAYLAX (JAPAN)
Suitable For Tokyo Marui AEG Airsoft Rifle
Also Fit for Most Airsoft Rifle

NOTE: You can always choose a longer Barrel if you have a extended Outer barrel installed