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Questions & Answers
Will this fit the rf15? Expert Answer

Yes, the Radical Firearms Upper Assembly is compatible with the Radical Firearms RF15 lower receiver.

by Ethan, Gear Expert, January 25, 2023
Will this fit the radical firearms RF-15? Expert Answer

Yes, The Radical Firearms Upper Assembly will fit and function as intended paired with your RF15 lower as well as any Milspec AR15 lower receiver.

by Ethan, Gear Expert, January 31, 2023
Customer Reviews
Helpful Positive Review Works flawless by Ricardo, November 16, 2021
I was skeptical about this upper cause I'm not familiar with the brand. It's actually a very well put together upper. Strong and solid feel in your hands. 500 rounds and it has never jammed or misfired. I recommended it. 5 stars
2/2 found this helpful
Helpful Positive Review Radical 7.5” upper by Gfenton, April 17, 2018
I got this upper at a great price. So far I’ve run a little over 200+ rounds through it, and it functions flawlessly with a variety of ammo and magazines. I was surprised at the accuracy it has out to 50 and 100 yards for such a short barrel. Defin...
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2/2 found this helpful
Helpful Positive Review Very nice sleek upper by Brian, Verified Owner, April 11, 2019
This is a very built rock solid upper. I added an H2 buffer and to my surprise it has been 100% reliable. It is perfect for a small AR pistol build. Also, the 7.5” barrel and 7” handguard are the perfect length for adding a flash can. The flash can i...
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3/3 found this helpful
Helpful Positive Review Good value by Jay, Verified Owner, July 13, 2018
If you are looking for top quality or perfection, look elsewhere. If you are looking for a good upper that you can use without concern about scratching the finish or what have you, then this is the upper for you! Granted, it's not as tight of a fit a...
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5/5 found this helpful
Helpful Negative Review Warped my charging handles by Donny W., June 8, 2022
The upper I received was slightly out of spec. The wear after just racking the charging handle a few times was significant. The problem happened on both of the charging handles I tried. I may be able to get it to work with some serious filing, but...
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1/2 found this helpful
Most Recent Reviews you get what you pay for by mike 2022, Verified Owner, February 28, 2023
Barrel milll spec will jam from bolt carrier unable to match within barrel spec in order for the firearm one must pencil grind the barrel or buy another barrel currently the barrel application has reloading complications
Read All 9 Reviews
Caliber: 5.56x45mm NATO Barrel Length: 7.5 inFinish: Matte Color: Black Gun Model: M4 Condition: New Gun Rail: M-LOK Additional Features: A2 FH Length: 7 inModel: Slim Rail System (FCR)

Code: 2CS-UFH-75M4C-FU7-5-5-56M4-7FCR

MPN: FU7.5-5.56M4-7FCR

UPC: 816903024933

Product No Longer Available

Product Info for Radical Firearms Upper Assembly 7.5 inch 5.56 M4 Contour, A2 Flash Hider

RF Upper Assembly 7.5" 5.56 M4 Contour,1:7 Twist, 7" FCR ( M-LOK ),image

A2 Flash Hider

Package Contents:

  • Radical Firearms Upper Assembly 7.5 inch 5.56 M4 Contour, A2 Flash Hider

Magazine and Accessories

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Gun Triggers

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Gun Sights

114 / 14
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Gun Parts and Accessories

130 / 30
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Gun Barrels

112 / 12
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Gun Stocks

119 / 19
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Airsoft Gun Accessories

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Ammunition

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List of Unorderable Models

Radical Firearms Upper Assembly 7.5 inch 5.56 M4 Contour, 7 inch FCR, A2 FH, Black, FU7.5-5.56M4-7FCR , MPN: FU7.5-5.56M4-7FCR , UPC: 816903024933 , Code: 2CS-UFH-75M4C-FU7-5-5-56M4-7FCR
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