Prometheus 6.03mm Stainless Steel EG Inner Barrel W - 300mm Shape_Brick Without a doubt the best

Without a doubt the best airsoft P90 available

Serrated handguard and grip makes for great grip and comfortable shooting

Super-easy installation - thanks to the Mini Tamiya adapters

including the slide and frame

Suitable for all current battery types: LiPo

Prometheus 6.03mm Stainless Steel EG Inner Barrel W - 300mm Shape_Brick Without a doubt the bestIntroducing the Prometheus EG Barrel W; Wide Expanded HOP window model, based on the EG barrel with the renewed Wide Expanded HOP window for a variety of HOP nubs and tensioners. The HOP window adopted in this model is a wide type, 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. This is a very high quality tight bore