Compatible Handguards

The rails and handguards listed below are compatible with the standard (1.850-30TPI) Dolos/Prometheus lock collar.  (Some may require modification)​

• Rock River Arms DLX Series

• Rock River Arms NM TRO Series

• Rock River Arms TRO Series

• Rock River Arms Quad Rails (excluding CAR and Mid-Length)

• Rock River Arms Advanced Wraparound Quad

• YHM Diamond Series

• YHM Smooth Series (discontinued by YHM)

• YHM Todd Jarrett Competition Series

• YHM Free Float Tubes

• YHM Keymod Rails, KR7 Series Only

• YHM M-Lok Rails, Excluding S.L.M. Handguards

• Anderson 12" Diamond Free Float Kit (discontinued by Anderson)

• Anderson 8.75" Slotted Free Float Tube Assembly (discontinued by Anderson)

• Unique ARs custom and stocked handguards (select Dolos compatible under barrel nut type before adding to cart)

Help with your Pantheon Arms Product

If you believe there may be an issue with a Pantheon Arms product you purchased, please contact us by email at  or by using the contact form on the main page so we can assist you.

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For any questions regarding our products feel free to shoot us a call, email, or visit our FAQ page.  Instruction sheets, videos, and our warranty can be found under the Resources tab at the top of the page, or the page menu on mobile.