Radical Firearms 16″ .223/5.56 Carbine Length M4 Rifle 15″ M-LOK FCR


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The Radical Firearms 16″ 5.56 NATO M4 Rifle is law enforcement grade hardware. Crafted with quality materials and covered by Radical’s lifetime warranty, this MIL-SPEC rifle is an outstanding choice for any budget. Just add your favorite iron sights or optic, then head for the range!

The Radical Firearms FCR system is a slim handguard that provides the weight savings you want without sacrificing any of the mounting possibilities you require. This freefloat design offers a monolithic Picatinny rail and plenty of M-LOK attachment points for all your gear.

  • 16″ 41V50 chrome moly vanadium steel M4 contour barrel
  • Chambered in 5.56 NATO with a 1:7 twist rate
  • M16 cut bolt carrier group with Melonite finish
  • BCG high pressure tested and magnetic particle inspected
  • 15 Radical M-LOK FCR Rail handguard
  • 41V50 Chrome Moly Vanadium Steel Barrel

Additional information





Gas system

direct Impingement


profile: M4 Government, melonite

Barrel length


Barrel twist


Barrel threat


Muzzle devise

A2 Flash Hider


M4 style


A2 style

Rules and Restrictions

The purchasing some of the items in our store are regulated by Federal laws and local restrictions.

  1. All FFL rules apply. Please check your local State and Federal law before purchase.
  2. All firearms purchases will be shipped to FFL dealers only, copy of valid ID need to be send to us via email to tssops@hotmail.com
  3. Shipping will be Provided By registered shippers only (FedEx, UPS, USPS) with tracking and insurance.

Local restrictions

  • Alaska: No Ammo.
  • California: No Handguns. No Hi-Cap Mags without a Hi-Cap Mag Permit. No Defense/Clip Fed Shotguns. No Semi-Auto rifles. No M-16 Bolts. No Ammo without a FFL.
  • Connecticut: No Semi-Auto rifles.
  • Hawaii: No Pistol Mags over 10rds. No Ammo.
  • Illinois: No Ammo without a FFL.
  • Maryland: No Handguns. No Hi-Cap Mags over 20rds.
  • Massachusetts: No Handguns. No Hi-Cap Mags without an FFL. No Defense/Clip Fed Shotguns. No Semi-Auto rifles. No Ammo.
  • New Jersey: No Hi-Cap Mags over 15rds without a FFL.
  • New York State: No Handguns. No Mags over 10rds.
    • New York City, Bronx, Brooklyn, Manhattan, Staten Island, & Queens: No Handguns. No Mags over 10rds. No Ammo. No NFA Restricted Items.
  • Washington DC: No Firearms. No Hi-Cap Mags. No Ammo.
  • APO & FPO Addresses: No Ammo.