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Magazine Advanced Release System (MARS) for Glocks

SKU: 2650

Now, with a simple drop-in installation, end users can “shoot like a lefty” and not worry about breaking the master grip while performing reloads.

Compatible with Generation 1, 2, 3, & 4 Glock pistols in 9mm, 40 S&W, and .357 SIG, except the Glock 43
The ambidextrous magazine release system enables us to finally perform tactical reloads and mag-drop speed reloads. 

Constructed from 6061 T-6 aluminum and is Type III Class 2 MIL-A-8625 Hard coat anodized. The spring and screw that hold the unit together are both stainless steel.

The lower edge of the activation surface is also angled upwards, which is a smart modification in that the activation surface does not bite into the top side of the user’s middle finger while gripping the pistol. 

Order Online or call Customer Service at 800-601-8273
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Ratings & Reviews

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Excellent Product


Love it! Works flawlessly in gen 3 G17. Looks cool, has extended button for right hand thumb release and is easy to activate with your index finger on either side. It is a little hard to activate the release with your thumb on the left hand but it gives you options. I'd recommend it.

Rainier Arms MARS


I recently purchased a MARS unit for my Gen 3 Glock. I am a Lefty and I LOVE this thing !!! I release the magazine with my left index finger but this unit operates MUCH MORE positively than a polymer mag release. I would definitely buy one again.

No brainer, GET ONE!


This should be the release that comes from the factory. 110% improvement over stock mag releases. It’s a no brainer upgrade.

Great Product!


Love this thing! Made a huge difference in my being able to release an empty magazine. Do not have to change my grip anymore. Also took less than 10 minutes to install.