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Jan 14, 2026 - 09:52 AM
We’ve provided several answers to questions related to ZCI 300mm 6.02mm Stainless Steel Precision Inner Barrels , see some other helpful Q&A related to this product.
Question: What is the inner diameter of the barrel?
Answer: The inner diameter of this zci inner barrel is 6.02mm, which classifies it as a tightbore barrel. A 6.02mm tightbore barrel increases air seal and compression, resulting in higher power and improved accuracy for your airsoft gun.
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