Troy Industries A3 Complete AR-15 Upper Receiver - 5.56 NATO - 16"
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Troy Industries
Overview
The Troy Industries A3 Complete AR-15 Upper Receiver is a ready-to-install assembly designed for the AR-15 platform, featuring a 16-inch barrel chambered in 5.56 NATO. With a mid-length gas system and a 1:7 twist rate, this upper provides reliable cycling and stabilization for a variety of projectiles, making it suitable for both target shooting and tactical applications. This upper receiver is commonly found in builds that utilize a mid-length gas system and are chambered in .223 Wylde, offering versatility in ammunition selection.
Specifications
Price and stock
The Troy Industries A3 Complete AR-15 Upper Receiver - 5.56 NATO - 16" was out of stock everywhere we track for all of August 2026, and today the one retailer we track is out of stock. Listed prices start at $640 at AT3 Tactical for when it comes back.
Prices checked · refreshed daily across 35 retailers
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Builds Featuring This Part
See all 1 →Builds in the community that include the Troy Industries A3 Complete Ar-15 Upper Receiver - 5.56 Nato - 16"
| Build | Parts | Total |
|---|---|---|
 | 22 | $2545.75 |
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