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
Build history on GunPartPicker
Builders have added the FN America AR-15 Complete Upper - 5.56 - 16" to their builds on GunPartPicker. Since April 2026, it ranks #340 of the 2,047 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today only Brownells has it in stock. The best price crept up from $931.99 to $977.99 over October 2026. Buying today, the lowest price is $1,013.02 at Brownells, above October's low of $931.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002
Franklin Armory Binary Firing System Gen 3 Trigger
Strike Industries Arch AR-15 Charging Handle Standard Latch - Black
FN America M16 / AR-15 Bolt Carrier Group
Yankee Hill Machine Co. AR-15 Gas Tube Black Rifle
FN AR-15 M16 Barrel 16 Mid-Length 5.56mm
Builds Featuring This Part
See all builds →Builds in the community that include the Fn America Ar-15 Complete Upper - 5.56 - 16"
| Build | Parts | Total |
|---|---|---|
 | 8 | $1439.68 |
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