Fightlite Industries MCR-556-DFR 5.56 NATO 16.25" Upper Receiver Assembly
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FightLite Industries
Overview
The Fightlite Industries MCR-556-DFR is a complete upper receiver assembly designed for the AR-15 platform, featuring a 16.25-inch barrel chambered in 5.56 NATO. This assembly allows builders to seamlessly integrate a reliable and accurate upper to their lower receiver, making it a solid choice for performance-oriented setups. You’ll often find this upper used in builds focused on the 5.56 NATO caliber, catering to a variety of shooting applications.
Specifications
Fightlite Industries MCR-556-DFR 5.56 NATO 16.25" Upper Receiver Assembly
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Build history on GunPartPicker
Builders on GunPartPicker first added the Fightlite Industries MCR-556-DFR 5.56 NATO 16.25" Upper Receiver Assembly to a build in January 2026. Builds with this upper receiver are nearly all chambered in 5.56 NATO and nearly all AR-15.
Updated · from real builds on GunPartPicker
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Read the guide: Most Popular AR-15 Upper Receivers →Frequently Built With
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