ATRS AR-15 Quad Rail

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ATRS AR-15 QuadRail

2 items in stock

These are a light-weight 1 piece free floating quad-rail that are CNC machined from billet 6061 Aluminum and hard Anodized for a matte black finish. They offer an uninterrupted full length top rail. They come with a proprietary barrel nut that replaces the factory delta ring assembly. The quad rail fastens to the barrel nut using 2 bolts for easy install and solid lock up. Our proprietary barrel nut is installed or removed using a standard Armorer's wrench. No special tooling required! The barrel nut is CNC machined from 416 stainless steel and is salt bath nitrided for extreme durability and a matte black finish.
We have incorporated 2 sling swivel attachment points on each side of the rail for use with push button QD sling swivels.
These quad rails are available in 2 lengths at this point, 7" carbine length and 9" mid-length. We hope to have a 12" rifle length quad rail available in the near future. Any low profile gas block on the market will fit under these quad rails.
Our 7" carbine length quad rail will allow you to employ a pic. rial gas block or A2 front sight gas block with a carbine length gas system and our 9" mid-length quad rail will allow you to do the same with a mid-length gas system.

  • CNC machined from 6061 aluminum
  • Hard Anodized finish
  • Light-weight 1-piece free floating forend
  • Easy to install
  • Comes with barrel nut
  • No special tools required
  • Available in 7" and 9" lengths
  • 2 QD sling attachment points per side

7" Carbine Length Quad Rail: $300
Inner Diameter: 1.4"
OAL: 7.25"
Weight (including barrel nut): 11.4 oz
Weight (not including barrel nut):9.5 oz

9" Mid-Length Quad Rail:        $350
Inner Diameter: 1.4"

OAL: 9.125"
Weight (including barrel nut):13.9 oz
Weight (not including barrel nut):12 oz


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