1 - Mako GMG AR15/M4 Carbine Aluminum Quad Rail System

Out of stock

  • 5 Review(s)
  • Manufacturer Fab Defense
  • Color Black
  • Manufacturer SKU GM-QR1
  • UPC Barcode 879015002053

This is a Mako GMG AR15/M4 Carbine Aluminum Quad Rail System. This rail is made from lightweight aircraft aluminum that is fully anodized not painted. It comes in  two pieces for easy installation. Unlike many cheaply painted quad rails, the GM-QR1 is fully anodized. GMG has included rail slot markings to enable the user to remove and replace accessories in the same spot. In order to foster quicker cooling, especially under paid fire, these quad rails have four rows of seven holes machined into the sides to increase airflow and heat escape. There are four Mil-Spec Weaver-Picatinny rails for all your mounting needs such as lasers, lights, forend grips, bipods and sights.


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  • posted on by

    Installed like a breeze on my Bushmaster M4. I have another AR quad I paid 3X the price as this quad, and I like this one better. Appearance is better than most. You just can't go wrong, and at this price, grab one while you can.

  • posted on by

    I recommend wearing your glasses to put it on if you are getting blind like me. Once I did it was easy to install and is really a high quality system at a great price. I am tempted to buy another AR just so I can buy another one of these. Well worth the money.

  • posted on by

    Pretty amazing price, far below most everything else. Installed very easy. If you're looking for a quad rail, carbine length, this is pretty hard to beat.

  • posted on by

    Well made rails at a fantastic price. Fit my DPMS perfectly and installed in just a few minutes. The regular price is far below what I found anywhere else. Take another 25-30% off for a limited time and you have a huge bargain. Shipping was amazing, ordered at 1pm on Weds. and received them by 1pm on Thurs. I paid regular shipping - full disclosure I do live in TX. ATG will get more of my business in the future.

  • posted on by

    Great fit on my Doublestar carbine. Not bulky and clean look. For the money, can't beat it.

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