This is what 2A Armament says :

 

 

The 2A Armament magazine catch offers innovative styling and functionality in two different options.  The magazine button and catch are machined from aluminum with black hard anodize finish for durability, the center pin is stainless steel. Two different button options are designed with a good tactile response as well as aesthetics in mind.  

    Complete assembly weight .27 oz.
    Compatible with AR15 and AR10 platforms
    Ships ready to install with a spring, center pin, magazine catch, and magazine button.
    2A-MCA-G1 is the grooved button option
    2A-MCA-P1 is the pocketed button option

 

Magazine Catch Assembly

$29.00 Regular Price
$27.55Sale Price

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