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Jan 14, 2026 - 09:53 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 does the O-ring on this inner barrel do?
Answer: The included O-ring helps keep the zci inner barrel centered within the outer barrel and dampens vibration. This centering and vibration dampening effect is valuable because it enhances shot consistency and reduces barrel movement during firing.
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