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ZRODelta
Overview
The ZRODelta AR-15 Forged M4 Upper Receiver 5.56mm - AR-15 Forged M4 Stripped Upper Receiver is a upper receiver. Compare prices from multiple merchants and find the best deal.
AR-15 Forged M4 Upper Receiver 5.56mm - AR-15 Forged M4 Stripped Upper Receiver
Builders on GunPartPicker first added the ZRODelta AR-15 Forged M4 Upper Receiver 5.56mm - AR-15 Forged M4 Stripped Upper Receiver to a build in August 2026. Builds with this upper receiver are nearly all chambered in 5.56 NATO, split between carbine-length (33%) and mid-length (33%) gas systems, and nearly all AR-15.
Today the one retailer we track is out of stock. Listed prices start at $69.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Ar-15 Forged M4 Upper Receiver 5.56mm - Ar-15 Forged M4 Stripped Upper Receiver
| Build | Parts | Total |
|---|---|---|
 | 28 | $1105.73 |
 | 24 | $999.62 |
 | 27 | $2214.91 |
 | 22 | $1265.24 |
 | 21 | $656.39 |
1 global rating
Top reviews
ZRO Delta forged M4 stripped upper drops onto a quality lower with zero play. M4 feed ramps cut correctly. Anodize is dark and consistent. Forward assist and dust cover holes are dimensionally correct. Solid mid-tier forged upper.
