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Cmmg, Inc AR15, Ambi Magazine Catch
As Low As $39.89 Save Up to 22%
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Most Helpful Positive Review Just az gud!!
I have Norgon's on several lowers. It's the only ambi mag release I use, until now. The Cmmg isn't billet like the Norgon, but it's still really good quality. Dimensionally they are identical (I'm a machinist, so I'm anal about that shyte). It's either a casting or forging, but doesn't have the prod...
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Most Helpful Negative Review Too stiff to press
I bought the version without the spring and right hand button, since i don't want to throw away my mil spec spring and button. The installation is very easy. But it's way too stiff to release a loaded mag from the left. The right handed control remains the same as it should be. The left side only wo...
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So good, I literally bought a second one days later

by Mike G, Verified Owner from TX, United States Written on October 20, 2025
Replaced my milspec standard catches with these. I prefer these over others that have more of a bulky or "specialty" design. It's clean, solid and does the job. It is a little on the pricier side though, but you get what you pay for.
Pros:
  • Clean & Streamlined.
Cons:
  • Price $$$
Best Used for:
  • ar 15
Would recommend: Yes
Was it helpful to you? Yes | No

Perfect for lefties

by Curtis Wood, Verified Owner from IN, United States Written on September 22, 2025
Picked this up as I'm a lefty. Works just as I hoped it would. Great clearance with CMMG's bolt catch release. Makes for a great mod for those who shoot left handed and want to do a lot of their manipulation with their left hand.
Would recommend: Yes
Was it helpful to you? Yes | No

CMMG Ambi Mag Catch

by OrthoDoc810, Verified Owner from CA, United States Written on March 12, 2025
I had a Noveske 5.56/300 BLK Gen 3 lower which didn’t have an Ambi mag catch, so I contacted Noveske to find out what they use. They use this and Norgon on their factory builds. So, I got it. It works perfectly.
Would recommend: Yes
Was it helpful to you? Yes | No

this is a must have for lefties

by Christopher Evans, Verified Owner from IN, United States Written on February 2, 2025
If you’re a lefty and never used an ambi mag release, you’re missing out. This is the best upgrade for the money.
Would recommend: Yes
Was it helpful to you? Yes | No

Works well

by Jimmy, Verified Owner from IA, United States Written on January 31, 2025
Simple design and works well. 50 more characters because why not
Would recommend: Yes
Was it helpful to you? Yes | No

Best ambi release

by shoot and scoot, Verified Owner from CA, United States Written on January 29, 2025
it's low profile with the same footprint as a standard magazine release. If you want the ambi capability without the bulk then this one is for you.
Would recommend: Yes
Was it helpful to you? Yes | No

not what I hoped for

by Eddy, Verified Owner from GA, United States Written on December 27, 2024
Being a lefty I been eyeing this product for a few years to finish out a build when I finally got it was disappointed to see regardless of how far out or in I threaded it into place I could not get enough leverage on it to drop free a fully loaded magazine. When the magazine is empty it seems to drop free effortlessly but that does me no good if I want to pull a full or particul full magazine. Not worth returning so gonna live with it but sad to see it doesn't give enough mechanical leverage to overcome a full magazine against the bcg.
Pros:
  • Lefty friendly
Cons:
  • not enough leverage
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Cmmg ambitious magazine catch

by Matthew, Verified Owner from KY, United States Written on November 12, 2024
Great fit and function. Does not interfere with the bolt catch
Would recommend: Yes
Was it helpful to you? Yes | No

took time to get it, but works great

by saaj, Verified Owner from NH, United States Written on October 30, 2024
There was delayed shipping time, but functions great. Works perfectly on my wife’s gun because she is left handed
Pros:
  • Fits and functions
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Only solution I recommend to add a left sided mag release to a right hand only lower.

by Ken, Verified Owner from MO, United States Written on October 29, 2024
I got my aero precision lower on sale but I also wanted to have a left handed mag release. I didn’t want to spend $300+ to buy an Ambi lower. Though there are lots of after market parts you can buy, the issue I ran into a lot was they tend to add extra height/width leading to the mag unintentionally being released when hitting against my body. This 100% exists and functions within your existing mag catch space, no more no less. It also makes it possible to have an existing lower to have ambi mag release with a BAD lever since it doesn’t interfere with the bad lever.
Pros:
  • Easy install & adjustment
  • Can work with BAD lever
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No
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