What is the inner diameter of this barrel?
ZCI 407mm 6.02mm Stainless Steel Precision Inner Barrels
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Open Jan 09, 2026 - 08:45 AM
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Answer
Jan 09, 2026 - 08:45 AM
The inner diameter of this zci inner barrel is 6.02mm. This is considered a tightbore size, meaning it's slightly narrower than standard barrels and helps increase air compression and BB accuracy for more consistent shooting.
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