• Inner diameter: 6.03mm
• ±0.01mm tolerance
• Wide-expanded HOP window for a variety of hop nubs and tensioners

The Prometheus “EG Barrel W”; Wide-Expanded hop window model, based on the EG barrel with a renewed Wide-Expanded Hop window for a variety of hop nubs and tensioners.

Inner barrel bore width of 6.03mm with a tolerance of ±0.01mm, made of stainless steel (SUS) for superior strength necessary to maintain accuracy without the need for coatings. The hop window adopted in this model is a wide type similar to the Prometheus KRYTAC-compatible EG barrel, making it suitable for setups involving R-HOP and other extended hop tuning techniques. Also compatible with other tuning setups, allowing for a broader range of customization options.

※Be sure to clean the barrel's interior before use.
※Do not re-use BBs or use BBs have fallen on the ground. The tight inner diameter of the barrel may cause blockage with deformed or unclean BBs such as dust or dirt.

Dimensions: Inner diameter 6.03mm

Compatible Models: Tokyo Marui AEG
※Not compatible with Next Generation Electric Gun MP5A5 and MP5SD6.
※Not compatible with Standard Electric Gun M14 series.

Material: Stainless Steel (SUS)