CMMG ZEROED Ambi Mag Catch and Button KIT MK9 Radial Delayed Blowback
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CMMG
Overview
The CMMG ZEROED Ambi Mag Catch and Button Kit Mk9 is designed to enhance magazine release functionality for both right- and left-handed shooters, thanks to its ambidextrous design. The standard button style allows for a familiar tactile feel when releasing magazines, ensuring smooth operation in high-pressure situations. This kit is commonly found in builds focusing on versatility and user adaptability, making it a popular choice for those looking to optimize their AR-15 for different shooting scenarios.
Specifications
August 2026 on GunPartPicker
CMMG ZEROED Ambi Mag Catch and Button KIT MK9 Radial Delayed Blowback ranked #56 of the 91 magazine releases builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #60 of the 165 magazine releases builders have added.
Today the one retailer we track is out of stock. Listed prices start at $55.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
Not sure which magazine release to pick?
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Read the guide: AR-15 Magazine Release Guide →Frequently Built With
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Builds Featuring This Part
See all 3 →Builds in the community that include the CMMG ZEROED Ambi Mag Catch and Button Kit Mk9 Radial Delayed Blowback
| Build | Parts | Total |
|---|---|---|
 | 22 | $1464.78 |
 | 18 | $4202.82 |
 | 19 | $1117.14 |
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