.204 AR Upper Assemblies

.204 Caliber is one of the AR-15 variations that fits virtually with any standard mil spec AR-15 lower receivers. It is a long range varmint caliber used for small animal hunting.

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  • AR-15 .204 24" Diamond Black Plated Complete Upper Receiver
    AR-15 .204 24" Diamond Black Plated Complete Upper Receiver is your next generation varmint long range build.  This upper takes all the standard AR-15 components. No other modifications to your AR-15 rifle is required - uses your standard 5.56 BCG, Charging Handle and magazines. All you ne..
    AR-15 .204 24" Diamond Black Plated Complete Upper Receiver is...
    $549.95$599.95