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Questions & Answers
Can I use a delta ring to mount the hand guard? Expert Answer

No, the delta ring assembly and barrel nut must be replaced with the supplied billet aluminum barrel nut.

Mark H.

by Mark H., Gear Expert, October 30, 2019
Is it high profile? Will it work on my dpms Ar-10? Expert Answer

These are AR15 handguards and will not fit an AR10.

by Jonathan D., Gear Expert, January 4, 2019
Customer Reviews
Helpful Positive Review Radical Firearms KeyMod First-Gen Hybrid Rail System by Dan, Verified Owner, August 29, 2017
The rail was a perfect fit. It mounted up securely and the finish is great. Also for anyone who is wondering like I was, it is exactly 7 inches so it works great with a 7.5 inch barrel to have just the threads sticking out past the rail end. Radical ...
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2/2 found this helpful
Most Recent Reviews Good for covering flash can, blast can, or can can. by Sergeant Badua, Verified Owner, September 19, 2017
Initialy I purchased a competitor's handguard for my 300 BLK build. Unfortunately, the internal dimension was not conducive to the 1.5" inch titanium tube I've used as a blast diverter. With this RF handguard, I was able to install my blast divert...
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0/2 found this helpful
Most Recent Reviews Great rail by Seredude, Verified Owner, June 8, 2019
The only issue is you need a very specific proprietary tool to install the barrel but. I have a ton of barrel but tools so far none of them work. I personally hate M-Lock but this it the ticket because you get rails at the front end where they are us...
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Most Recent Reviews Radical arms rail by Leo, December 14, 2017
Great looking rail and a great price that could not be beat. Fit and finish was beyond my expectations. It was easy to install the rail itself with a few basic armors tools. The rail has a good weight balance on it and I prefer it for it’s wider grip...
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Read All 4 Reviews

Product Discontinued by Manufacturer

Radical Firearms KeyMod First-Gen Hybrid Rail System (FHR) has been discontinued by Radical Firearms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the AR15 Accessories, Gun Parts, AR 15 Tactical Rails, AR 15 Parts, Rifle Parts, AR Handguards & Forends, AR15 Upper Parts yourself to try and find the perfect replacement for you!

Product Info for Radical Firearms KeyMod First-Gen Hybrid Rail System (FHR)

The Radical Rail System offers a larger inside diameter designed to accommodate your suppressor or for those that like the feel of a full sized quad rail. At 1.8 inch inside diameter your suppressor easily fits inside and the cutouts on the rail aid in rapid cooling. The Radical Rail System features anti-rotation tabs, built in non-rotating QD sling mounts, Key-mod rails that allow you to run without rail covers, allows any accessories and is hard anodize coated and super awesome if we say so ourselves. The Radical Rail is available in four different lengths, 7 inch(9.4oz), 9 inch(13.1oz), 12 inch(18.6oz) and 15 inch(21.2oz). Installation is a breeze using the standard USGI barrel nut wrench and ships with all mounting hardware and shims for proper barrel nut alignment. 7075 Construction. 1pc free float design. Billet Aluminum barrel nut. Seamless top rail. Key-mod Design to accept any accessory. Mil-Spec 1913 Picatinny Rails. 1.8 inch inside diameter to accept any suppressor. Anti-rotation tabs. Type III Class 2 Hard-coat Anodized Finish. Machined in QD sling mounts. Scalloped rails for comfort. Anti-Rotation Tabs. Includes: Handguard, Barrel Nut, Mounting Screws, Shims.image

Package Contents:

  • Radical Firearms KeyMod First-Gen Hybrid Rail System (FHR)

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Related Products to Radical Firearms KeyMod First-Gen Hybrid Rail System (FHR)

Radical Firearms KeyMod First-Gen Hybrid Rail System (FHR) Unavailable & Discontinued Models

List of Unorderable Models

Radical Firearms First-Gen Hybrid Rail; FHR 7 inch keymod, Black, 7FHR , MPN: R-7FHR , UPC: 814034020015 , Code: 2CS-HZ-RFFHRS-7FHR
Radical Firearms First-Gen Hybrid Rail; FHR 9 inch keymod, Black, 9FHR , MPN: R-9FHR , UPC: 814034020022 , Code: 2CS-HZ-RFFHRS-9FHR
Radical Firearms First-Gen Hybrid Rail; FHR 12 inch keymod, Black, 12FHR , MPN: R-12FHR , UPC: 814034020039 , Code: 2CS-HZ-RFFHRS-12FHR
Radical Firearms First-Gen Hybrid Rail; FHR 15 inch keymod, Black, 15FHR , MPN: R-15FHR , UPC: 814034020046 , Code: 2CS-HZ-RFFHRS-15FHR
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