Laylax Nine Ball Power Inner Barrel for Action Army AAP-01 Gas Blowback Airsoft Pistols (Size: 129mm)

Features Stainless steel construction Increases FPS, accuracy and consistency Precision tight bore 6.03mm inner barrel w/ +0.01mm tolerance Perfect bore for high volume of fire, full auto and HPA! Polished finish Made in Japan Manufacturer: Laylax / Nine Ball Specifications: Length: 129mmInner Diameter: 6.03mmCompatibility: For Action Army AAP-01 Series and Other Compatible Gas Blowback AirsoftNOTE: For best performance, keeping inner barrel clean and using only high quality BBs is recommended, due to tight inner diameter, dirt and / or low quality BBs can cause damage and affect performance.