Deep Fire Stainless Steel 6.02mm Barrel for Systema PTW M4A1 (385mm)

Deep Fire Stainless Steel 6.02mm Barrel for Systema PTW M4A1 (385mm) Stainless Steel Tightbore Upgrade Barrel 6.02mm Precision Inner Airsoft Rifle Barrel Perfect for tighter grouping & more accurate shooting Increases FPS for Higher VelocityBuilt for extra power and precision shooting Choose this barrel to suit your AEG model Suitable for Systema PTW M4A1 Series Airsoft Rifle For custom upgrade user, you can choose a longer barrel NOTE: You can always choose a longer Barrel if you have a extended Outer barrel installed