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Questions & Answers
Hey guys can you find out the weight of this upper receiver Expert Answer

The weight is not included in the specs provided by the manufacturer, but similar products are in the 5.5 -7.5 oz range.

by Carly R., Gear Expert, October 18, 2017
Where’s the forge mark? Expert Answer

Unfortunately, there does not appear to be a Forge Mark. The only marking on the upper will be the manufacturer's name. The manufacturer does not state if they forged the receiver themselves. Here's an image link that shows the other side with the manufacturer name.

https://i1.wp.com/fostech.com/wp-content/uploads/2021/09/1.jpg?fit=800%2C800&ssl=1

by Kurt Colbourne, Gear Expert, October 7, 2021
Customer Reviews
Helpful Positive Review
Follow the instructions and you’ll be happy by jeff, Verified Owner, January 12, 2020
The instructions on the packaging state very clearly to use a reaction rod. If you do so, you won’t destroy your purchase. These are very light weight (between 4.47 and 4.56oz for my 3). The finish is a nice color. Dark gray more than true black. In...
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5/5 found this helpful
Helpful Positive Review
Almost as advertised by MercOtto, Verified Owner, March 28, 2021
Received my upper and am very pleased with the fit, finish and weight! Packaging states 4.4oz. I put it on a scale and got 4.55oz which is lighter than my 5.3oz aluminum reinforced polymer stripped upper from KaiserUS. CLEARLY STATES USE A BARREL ROD...
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4/4 found this helpful
Helpful Positive Review
Magnesium/Aluminum A3 upper by Fred Butler, Verified Owner, June 6, 2018
The Ultralight Magnesium Aluminum alloy stripped upper receiver. The one I received weighs 4.7 ounces, the items retail package specified the weight to be 4.4 ounces. Opening the package from Optics Planet I found the product in perfect condition. T...
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1/1 found this helpful
Helpful Positive Review
To delicate to trust by Jerico23ban, February 17, 2019
So I am giant fostech fan and very happy with most of thier products but.... I got this alloy upper incredibly light seems be great quality but mine was slightly off. When assembling it shattered and I’m not talking hair line crack I split it inhalf ...
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1/4 found this helpful
Helpful Positive Review
Fostech lightweight magnesium upper by mixtli, June 21, 2018
I waited nearly six months for the arrival of my two Fostech super lightweight AR-15 uppers that are at the core of my current builds. When they finally arrived I noticed that the package claims a weight of 4.4 oz, yet both tip the scales at an even ...
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5/5 found this helpful
Helpful Negative Review
Defective item by Vigo, May 15, 2020
I purchased a fostech upper receiver and it had one of the dust cover ears cracked. The otem was packaged very well so the damage did not occur in transit. The item looks like it had been returned previously and put back into stock. Other than that I...
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1/2 found this helpful
Read All 8 Reviews
Color: Black Finish: Matte Fabric/Material: Mg/Al Caliber: 5.56x45mm NATO Gun Model: AR-15 Condition: New

Code: 3FS-UPR-AURS-FT-LITE-UPPER

MPN: 6200

UPC: 639266299516

Product No Longer Available

Product Info for Fostech AR-15 Mg/Al Alloy Upper Receiver Stripped

This Fostech AR-15 Upper Receiver is one of their most popular products. These AR15 Upper Receivers from Fostech are made from a blend of alloys including aluminum and magnesium. The Fostech AR-15 Stripped Upper Receiver is lightweight yet a rigid and strong receiver. Get a Fostech AR-15 Alloy Upper Receiver today!image

Package Contents:

  • Fostech AR-15 Mg/Al Alloy Upper Receiver Stripped

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List of Unorderable Models

  • Fostech AR-15 Mg/Al Alloy Upper Receiver Stripped, Black, FT-LITE-UPPER , MPN: 6200 , UPC: 639266299516 , Code: 3FS-UPR-AURS-FT-LITE-UPPER
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