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Questions & Answers
does this upper have m4 feed ramps? i am trying to find a flat top upper without m4 feed ramps for a 20" m16a1 barrel... Manufacturer Answer

Yes, this upper has M4 feed ramps.

by Killer Innovations, Manufacturer, August 27, 2025
Does this come with forward assist or do I have to buy separately? Manufacturer Answer

This is a stripped upper and does not include the forward assist or ejection port cover assembly.

by Killer Innovations, Manufacturer, July 30, 2025
Customer Reviews
Helpful Positive Review
Outstanding Metal finishing and Coating by MoFromWV, Verified Owner, November 12, 2025
I spent most of my work life in aerospace machining and fabrication facilities, performing various Quality Assurance roles. About 40 years or so. Quality isn't a catch phrase, it's the lifeblood of the industry and the people who work there. Now... o...
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1/1 found this helpful
Helpful Positive Review
I have the upper and lower from ICON and wow. If you remember MEGA ARMS this does not skip a beat. The founder of MEGA is responsible for these works of art. This is what you would expect from ICON hands down. THE TIGHTEST FIT on a forged set I've ev...
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1/1 found this helpful
Most Recent Reviews
Mated this upper with a Icon lower receiver, and the fit is tight with no rattling. So tight, in fact, that I had to file off a little of the surface on each side of the rear takedown lug in order for it to open/close without force. I also had to ope...
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Most Recent Reviews
Amazing product amazing fit. The thermal fit barrel is another plus
Most Recent Reviews
Great Upper by JM, Verified Owner, April 18, 2025
After a Lantac upper let me down with an oversized barrel mount hole, resulting in sloppy fit for the barrel extension, I tried this instead of the usually BCM (which always has a tight "thermo fit" for the barrel). I was pleasantly surprised with ...
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Read All 5 Reviews
Color: Black Finish: Type 3 Hard Coat Anodize Fabric/Material: 7075 T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Condition: New Hand: Right

Code: 5K0-UPR-ID01-RCUP471BLK

MPN: RCUP471BLK

UPC: 810104452656

List: $129.99Save $6.00
$123.99

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Icon Defense Forged Stripped Upper Receiver

The Icon Defense Uppers are made from MIL-SPEC 7075-T6 forgings, our machining leaves no die seams or flash marks on the receivers. We all also hold our lugs to a .001 tolerance for the best fitment in the industry. Icon Defense experience and background in the aerospace industry along with twenty years in the firearms industry helps to ensure our parts are dimensionally accurate and of the highest quality.image

Specifications for Icon Defense Forged Stripped Upper Receiver:

Manufacturer: Icon Defense
Color: Black
Finish: Type 3 Hard Coat Anodize
Fabric/Material: 7075 T6 Aluminum
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Hand: Right
Country of Origin: USA

Features of Icon Defense Forged Stripped Upper Receiver

  • Tighter barrel extension bore, this provides increased accuracy.
  • The fitment between our upper and lower best is in the industry.
  • Icon Defense hold our upper and lowers within a .001 tolerance of each other to ensure a solid fit.
  • All Parts are finished by hand to eliminate imperfections during the production process.

Package Contents:

  • Icon Defense Forged Stripped Upper Receiver

Icon Defense Forged Stripped Upper Receiver Orderable Models

List of Orderable Models

  • Icon Defense Forged Stripped Upper Receiver, Type 3 Hard Coat Anodize Finish, Black, RCUP471BLK , MPN: RCUP471BLK , UPC: 810104452656 , Code: 5K0-UPR-ID01-RCUP471BLK
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