Troy Carbine Length Battle Rail AR-15 Drop-In Quad Rail

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Troy CBQ Vertical Grip - Polymer

Troy CQB Vertical Grip - Polymer


Troy S.S. Q.D. Swivel  - SMOU-SSQ-00BT-00

Troy S.S. Q.D. Swivel


Non-Free-Floating Direct Replacement for All AR-15/M4/AR15 Carbine and Mid-length Plastic Handguards

The Troy Drop-In Rail is a non-free-floating direct replacement for all M4/AR15 Carbine length plastic handguards with a round endplate. The Troy Patented clamping design ensures a solid mounting platform. It provides a true optical mounting platform that increases the modularity and accuracy of the M4.

It provides true U.S. Military Specification M1913 rails at 12-3-6 and 9 o’clock. All rail systems are machined from T6061 hardened aircraft aluminum and finished in MIL-STD Type III Hard Coat Anodizing. No gunsmithing is required and the unit installs in less than a minute.


  • No gunsmithing required.
  • Installs in minutes
  • Includes MIL-STD Picatinny rails at 12, 3, 6, and 9 o’clock and four built-in sockets for Q.D. swivels.


  • Machined from hardened aircraft aluminum with stainless steel components.
  • Finished in MIL-SPEC hard coat anodizing.

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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.

Troy Warranty

If your product is in need of warranty service, please contact Troy for more information to start the process.

Return Warranty of Defective Products:

  • All Troy products are manufactured in the USA using the finest quality materials.
  • All Troy products are warranted against defects in material and workmanship.
  • Troy will repair or replace a defective product (or part/component).
  • This warranty is limited to repair or replacement of the defective product, part, or component.
  • Troy will determine in its sole and exclusive discretion whether to repair or replace a product, part, or component.
  • Troy also reserves the right to determine the means and materials by which such repair or replacement will be made.
  • All defective product returns must be pre-authorized by Troy customer service and be accompanied by an RMA Number.
  • You must contact customer service to receive an RMA Number prior to returning any product.
  • You must have your original purchase paperwork, including your receipt or other proof of purchase, and be willing to provide these documents to Troy.
  • This warranty and return of defective goods policy applies to all purchasers, including but not limited to dealers, distributors, and retail customers.

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

Customer Reviews

Based on 20 reviews

Awesome quad rail. The machining and finish are great quality.

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

Charles Bryan
Fde 7 inch

Was a great fit looks badass
Thanks you guys i had to hunt

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

Drop in quad rail

Rail is outstanding pretty tight fit but works wonders paired with the Troy grip

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

timothy welch
a solid option

What we have here is a nice affordable but quality alternative to a Knights Arm quad rail system. It fits great on my Ruger 556, nice and tight. Absolutely recommend.

Benjamin Anthony

Rail fits perfectly. A good buy.

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