7.5" 5.56 NATO upper with 7" FGS
7.5" 5.56 NATO upper with 7" FGS

MSRP: $259.95

Stock Status:Ready to build; check lead times
Availability: Current Production Time Up To 4 Weeks
Product Code: FU7.5-5.56M4-7FGS


The Radical Firearms 7.5" M4 profile 5.56mm is a MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range.Simply add your BCG,charging handle and you are ready to go. Built with our 7" FGS free float rail system for increased accuracy and keeping your hands cool. No matter what your style of shooting is, Radical Firearms has you covered.

SKU: FU7.5-5.56M4-7FGS
UPC: 814034024273
MFR#: RF00167

  • Barrel Length: 7.5"
  • Gas System: Pistol Length
  • Barrel Profile: M4 Profile
  • Barrel Material: 4140 Chrome Moly Vanadium
  • Barrel Finish: Melonite
  • Muzzle Thread: 1/2x28
  • Chamber: 5.56mm
  • Twist Rate: 1:7
  • Barrel Extension: M4 Feed Ramp
  • Gas Block Type: .750 Low-profile Gas Block
  • Muzzle Device: A2 Flash Hider
  • Upper Receiver Material: Forged 7075 T6
  • Upper Receiver Style: M4 Mil-Std
  • Upper Receiver Finish: Type III Anodizing
  • Forward Assist: Yes
  • Dust Cover: Yes
  • Handguard Type: Free Float
  • Handguard Style: Magpul MOE Round Rail
  • Handguard Length: 7"

Average Rating: 5 of 5 Total Reviews: 3 Write a review »

  2 of 2 people found the following review helpful:
Awesome product December 11, 2015
Reviewer: Anonymous Person from North highlands , CA United States  
Great upper for the price, had no issues. Customer service responded very quickly to any questions. Got my upper before the stated lead time, which was excellent!

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  1 of 1 people found the following review helpful:
super upper October 24, 2015
Reviewer: John Wisner from McEwen, TN United States  
This was the first upper i bought from Radical, I'm very well pleased with the quality of this short barrel upper, i have serious problems with varmints killing my chickens. No more, with iron sights i picked off a possum that had a bird in its mouth, and saving the bird!

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  1 of 1 people found the following review helpful:
7.5 Reciever May 17, 2015
Reviewer: Jeff Mendoza from Houston, TX United States  
"7.5" Awesome complete upper. Feeds extremely well no malfunctions. Took it to the range and shot about 100+ rds and had NO hiccups. I'am running a Aero Presicion lower, fits perfect, nice tight fit. I highly recommended their products. They have an awesome staff, their showroom team is extremely help full. I also have the same receiver in a 10.5 and have absolutely no problems.

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