Stainless Steel 6.04mm Barrel for M4/SR16/SG551 (363mm) - Deep Fire

• For Tokyo Marui M4/SR16/SG551 Series Airsoft Electric Gun AEG Rifle
• Stainless Steel Tightbore Upgrade Barrel
• 6.04mm Precision Inner Airsoft Rifle Barrel
• Perfect for tighter grouping & more accurate shooting
• Increases FPS for Higher Velocity
• Built for extra power and precision shooting
• Choose this barrel to suit your AEG model
• For custom upgrade user, you can choose a longer barrel