Armaspec B2 AR-15 Extended Mag Release – ARM107

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Extend Your Button For An Easier & Quicker Magazine Release & Faster Reloads

The Armaspec B2 extended magazine release features a skeletonized design that makes it easier to drop your magazines. The Armaspec B2 makes it easier to release the magazine without changing the grip position. This catch comes in a variety of finishes to get a custom feel with your next build,  and it’s compatible with 5.56/.223 and 7.62/.308 lower receivers.

The Armaspec B2 is a high-quality component with precise manufacturing which is ideal for maintaining and upgrading your firearms. It has unmatched the durability, reliability, and excellent build quality that will ensure years of service you can count on.


  • Machined From Aluminum
  • Easy Drop-in Installation
  • Skeletonized
  • Serrated for Positive Depression and Reduced Slip
  • Compatible with Most AR-15 and AR-10 Style Receivers

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Armaspec Lifetime Warranty

  • All Armaspec products carry a LIFETIME WARRANTY and are warranted to be free from defects in material or workmanship.
  • Should there be a defect, we will repair or replace the product at our discretion at no cost to you.
  • Lifetime warranty does not apply to products sold as “blemished” or “manufacturer refurbished”.
  • You must have proof of purchase to initiate a WARRANTY claim.

Please email to to request an RMA number.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 2 reviews
j a
a for effort c for exicution

while they would make for a great edition to a stock weapon. if you have any kind of anti-walk pins or non standard lower they don't work without modification to either the lower or the release mechanism.. if you have access to a mill or dremel like device you can modify the parts so they work together.

M Wilson
Perfect fit, great quality, and price

Exactly what I was looking for a great quality extended mag release, looks awesome , fast shipping. AT3 has always had what I wanted it couldn't find elsewhere. And at great prices

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!