ProMag AR-15 Carbine Polymer Quad Rail Hand Guard PM242

by ProMag
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ITEM# 15388131
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ITEM#: 15388131

The ProMag Carbine Polymer Quad Rail is a black, two-piece, railed hand-guard for AR-15 carbines that is constructed of a high impact glass filled nylon polymer with integral aluminum heat-shield inserts. Features mil-spec Picatinny rails at the 12, 3, 6, and 9 o'clock positions, for mounting sights, tactical lights, vertical grips and other accessories.

  • Brand: ProMag
  • Model: Quad Rail
  • Materials: Polymer
  • Color: Black
  • Dimensions: 6.75 inches high x 2.5 inches wide x 2.5 inches deep
  • Weight: .75 lbs

Before purchasing this product, please familiarize yourself with the appropriate state and local regulations by contacting your local police dept., legal counsel and/or attorney general's office. You, as the buyer, not, are responsible to understand your local, state, and federal laws before placing an order.


Material Plastic
Type Rails, Rifle
Color Black
Gender Male
Dimensions See Details
Warranty Lifetime Manufacturer
Model Number Quad Rail
Country of Origin United States

Questions & Answers

  • Q:

    "Will this quad rail fit on my Ruger AR 556 model 08500?"

    • A:

      From what I have read and researched this will fit your AR-556, But it can be found much cheaper on line !!!

  • Q:

    "Will this fit over a Adams Arms piston system?"

    • A:

      Hello diddlydiddly, unfortunately this item is out of stock. We currently do not have inventory to check, and cannot guarantee the item will be restocked. Please let us know if you have any further questions.

Shipping & Returns

Contact Information

Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. For the return policy on a Marketplace item, please refer to the Seller’s individual policy, located on the product page by clicking on the Seller name. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.