Expo Arms 5.56 NATO AR-15 Barreled Upper - 16" - Mid-Length - Overrun
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Expo Arms
Overview
The Expo Arms 5.56 NATO AR-15 Barreled Upper - 16" - Mid-Length - Overrun is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Available Merchants
Price Alert
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Build history on GunPartPicker
Builders have been adding the Expo Arms 5.56 NATO AR-15 Barreled Upper - 16" - Mid-Length - Overrun to their builds on GunPartPicker since March 2026. All time, it ranks #303 of the 1,775 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
It was out of stock everywhere we track for all of September 2026.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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