Radical Firearms FCR M-LOK AR-15 Handguard Gen 3 - 10"

Manufactured by Radical Firearms
MPN: R-10FCR-3
Manufactured by Radical Firearms
5 Reviews
$92.01 $108.25

In Stock

Standard orders will ship out 2 business days if ordered by 3:30 pm CST, Monday-Friday. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.



The Radical Firearms FCR rail system is a lightweight and comfortably slim handguard ideal for shooters wanting to keep unnecessary ounces off their rifle build. Each rail is precision machined from high-strength 6061-T6 aluminum and features a tough hardcoat anodized finish. With a comfortable 1.375" internal diameter, seamless top-rail, and heavy duty 4140 steel barrel nut, this M-LOK compatible handguard is an excellent option for your next build.

  • 6061-T6 aluminum construction
  • 10" handguard will cover up to mid-length gas systems
  • Full length M1913 Picatinny Top Rail
  • Rigid design with 4140 steel barrel nut
  • M-LOK design compatible with your favorite accessories
  • 3rd generation mounting system
  • Made in Stafford, Texas!

The ergonomic freefloat FCR handguard features a monolithic M1913 picatinny top rail for your favorite sights, optics, and accessories. Anti-rotation tabs interface with MIL-SPEC upper receivers to ensure optimal alignment of the top rail. The 3rd generation mounting system offers impressive rigidity to reduce deflection when bracing against barriers or shooting from a bipod, and clamps to a strong 4140 chromoly vanadium steel barrel nut.

Based out of Stafford, Texas, Radical Firearms got their start producing quality affordable firearms and accessories. With a wide selection of AR-15s in popular chamberings, they are certain to produce the rifle or AR pistol you’re looking for at a price you can afford. Best of all, Radical Firearms offers an exclusive lifetime warranty on all of their products as long as you own them!
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BrandRadical Firearms

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

Ratings & Reviews

5 reviews


Be sure to have a tap set ready.

by -

Light and great looking. However like other comments on radical firearms handguards I had to clean the threads with a tap Because the screws kept trying to grab wrong and strip.

bad barrel nut

by -

barrel nut has shallow threads, they're flat

Best bang for your buck!


Great rail. Nice anti rotation tabs. Fits great and feels good in the hand. Perfect rail for a PDW. BCM hand stop fits nicely.

Great deal

by -

Simple easy install. I really, really like the anti rotation lugs.

Excellent device

by -

Quick shipping and a solid device. Nicely machined with no burrs and package well for safe shipment!