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Palmetto State Armory
Overview
The Blem PSA AR-15 Complete Upper Receiver from Palmetto State Armory is a fully assembled upper designed for the AR-15 platform, making it easy for builders to get started with their next project. This complete upper typically features a carbine-length gas system and is chambered in 5.56 NATO, providing a reliable and versatile option for various shooting applications. Builders often incorporate this upper into standard 5.56 builds, where functionality and ease of assembly are key considerations.
Palmetto State Armory Blem PSA AR-15 Complete Upper Receiver ranked #13 of the 690 upper receivers builders added on GunPartPicker in August 2026, behind the Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth, with about 2% of all upper receivers added to builds. Down from #9 in July. Builds with this upper receiver are nearly all AR-15.
Updated · from real builds on GunPartPicker
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 →The part most often added in each category by the 129 builds that include this one
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Builds in the community that include the Blem PSA AR-15 Complete Upper Receiver
| Build | Parts | Total |
|---|---|---|
 | 17 | $747.15 |
 | 8 | $616.57 |
 | 24 | $1172.21 |
 | 13 | $942.70 |
 | 8 | $929.89 |
 | 9 | $894.27 |
 | 19 | $2031.17 |
 | 8 | $457.73 |
| 8 | $985.85 |
1 global rating
Top reviews
PSA AR-15 complete upper receiver blem has excellent fit and finish. The blem on mine was a small scuff near the dust cover - barely visible. Forging is clean, anodize is consistent. Standard mil-spec dimensions accept all parts.
