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Unfortunately Radical Firearms M-LOK Slim Rail System (FCR) is not listed by OpticsForYou.You can also explore other items in the Weapon Accessories yourself to try and find the perfect replacement for you!

Product Info for Radical Firearms M-LOK Slim Rail System (FCR)

The Radical Firearms M-LOK Slim Rail System (FCR) is here at Opticsforyou.com and as usual we offer unbelievable prices !image

Purchase your new Radical Firearms M-LOK Slim Rail System (FCR) from Opticsforyou.com today and you will appreciate the easy checkout process, fantastic customer service, Free Shipping policy and information on easily tracking your order.

Save weight and add massive utility to your weapon with the Radical Firearms M-LOK Slim Rail System (FCR). These Weapon Accessories made by Radical Firearms feature a Type III Class 2 Hard-coat Anodized Finish for superior resistance to corrosion and abrasion. The Radical Firearms M-LOK Free-Float Rail System (FCR) features a seamless Mil-Spec 1913 top Picatinny rail for the attachment of optics, lights, lasers and other accessories that will improve your aim and performance in the field. Customize your gun with this one-piece Radical Firearms M-LOK Ultralight Rail System (FCR) to expand your tactical capabilities.

Features of Radical Firearms M-LOK Slim Rail System (FCR):

  • 1 piece free float design
  • Ultra Light and Rigid Design
  • 4140v Steel Barrel nut
  • Seamless top rail
  • Mil-Spec 1913 Top Picatinny Rail
  • M-lok Design to accept any accessory
  • Type III Class 2 Hard-coat Anodized Finish

Package Contents:

  • Radical Firearms M-LOK Slim Rail System (FCR)
  • Handguard
  • Barrel Nut
  • Mounting Screws

Forends/Handguards

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Mounts, Rings and Accessories

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Weapon Lights

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Last updated 2026-09-30 UTC.