Product Details

Radical Firearms Complete Upper 7.5" 5.56 M4 with 7"  FCR M-LOK

  • Radical Firearms forged upper receivers are made to conform to military standard specifications, and are forged from quality 7075 aluminum
  • 7.5” 4140 Chromoly 1:7 twist rate barrel with Melonite coating, w/ A2 "Birdcage" style flash hider, 1/2x28 thread pitch
  • Carbine Length, low profile gas system
  • Full BCG
  • Radical Firearms 7" FCR lightweight M-LOK rail
  • Made in Houston, Texas, USA

Radical Firearms manufactures almost all their own individual parts and components in-house. They are a genuine manufacturer, not just an assembly shop. Their shop is equipped with a fully tooled gunsmithing facility, and fully capable gunsmiths, as well as several CNC machines that allow the creation of their own components with perfect tolerances. Radical Firearms offers a Lifetime Warranty on all their products for as long as you own the product. They stand by the product they offer because of the integrity and precision of their staff. Many of the employees at a Radical are veterans due to their veteran hiring preference, which allows the products to be created by individuals with passion and expertise. 

It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item. An “AR-15 Pistol” upper assembly has a barrel less than 16” in length. Pistol uppers are only for use on AR-15 pistol lowers and legal Short-Barreled Rifles. Other configurations may violate Federal law.

More Information

More Information
Category Gun Parts
Caliber 223/5.56
Manufacturer SKU CFU7.5-5.56M4-7FCR
UPC 816903025343
Manufacturer Radical Firearms
Firearm Fit AR15 Lower
Barrel Length 7.5"
Twist 1:7

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