CMMG ZEROED Ambi Mag Catch & Button Kit – Smooth, Reliable, Ambidextrous Control
The CMMG ZEROED Ambi Mag Catch & Button Kit is a drop-in solution for AR shooters who want faster reloads, improved ergonomics, and full ambidextrous control—without compromising durability or reliability. Whether you're left-handed, building a dual-control rifle, or just want an upgraded mag release system, this kit delivers both function and convenience.
Key Features
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Ambidextrous Mag Catch – Seamless magazine release for both right- and left-handed users
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Extended Release Bar – Added leverage allows for faster, more natural mag changes
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ZEROED Extended Mag Release Button – Serrated surface offers secure grip and clean engagement
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Simple Installation – Adapter button screws in; extension clicks into place with basic tools
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Steel Construction – High-strength materials for long-term durability and dependable field performance
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Made in the USA
Why We Recommend It
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Faster Reloads: Especially beneficial for left-handed shooters or ambi-dominant builds
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Solid Fitment: Clean, wobble-free interface between the bar, button, and catch
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Durable Design: Engineered for real use—not just range toy builds
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Field-Tested: This is one of our go-to ambi mag setups at Ally Munitions
Pro Build Tips
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If your magazine is falling out easily, try tightening or loosening the catch screw slightly to fine-tune tension
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Also check your magazine catch spring—a weak or worn spring is a common cause of mag retention issues
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This setup works best with well-maintained mags and mil-spec lowers with clean threading in the catch channel