Deep Fire SS 6.02mm Barrel for M4/SR16/SG551+ (407mm)

Deep Fire SS 6.02mm Barrel for M4/SR16/SG551+ (407mm) For Tokyo Marui M4 / SR-16 / SG 551+ Series Airsoft Electric Gun (AEG) Stainless Steel Tightbore Upgrade Barrel 6.02mm 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 NOTE: You can always choose a longer Barrel if you have a extended Outer barrel installed