FN America AR-15 Complete Upper - 5.56 - 16"
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FN America
Overview
The FN America AR-15 Complete Upper is a fully assembled upper receiver designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. With a carbine-length gas system and a 1:7 twist rate, this upper is optimized for stabilizing a variety of bullet weights, making it versatile for different shooting applications. This upper is commonly found in builds focused on 5.56 NATO caliber and utilizes a carbine gas system, providing reliable performance for both range shooting and tactical use.
Specifications
August 2026 on GunPartPicker
FN America AR-15 Complete Upper - 5.56 - 16" ranked #109 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #375 of the 1,636 upper receivers builders have added.
It was hard to find in August 2026, in stock on only 9 of the 17 days we checked, and today both retailers we track have it in stock. It dipped to $809 at Brownells for a stretch in August 2026, well under its usual $980.99 to $1,013.02, so sales do come around. Buying today, the lowest price is $931.99 at Palmetto State Armory, above August's low of $809, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 4 builds that include this one
Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002
Battle Arms Development Rack Ambidextrous AR-15 Charging Handle - Mod C
Franklin Armory Binary Firing System Gen 3 Trigger
FN AR-15 M16 Barrel 16 Mid-Length 5.56mm
PSA Mil-Spec AR-15 Carry Handle
Trijicon ACOG 3.5x35mm Green Dual Illuminated Scope - .223 Ballistic Reticle
Builds Featuring This Part
See all 1 →Builds in the community that include the Fn America Ar-15 Complete Upper - 5.56 - 16"
| Build | Parts | Total |
|---|---|---|
 | 8 | $1358.65 |
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