Yankee Hill Machine
Overview
The Yankee Hill Machine A3 AR-15 Upper Receiver Assembly - Stripped is a upper receiver. Compare prices from multiple merchants and find the best deal.
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Builders have been adding the Yankee Hill Machine A3 AR-15 Upper Receiver Assembly - Stripped to their builds on GunPartPicker since February 2026. All time, it ranks #609 of the 1,642 upper receivers builders have added. Builds with this upper receiver are mostly chambered in 5.56 NATO (67%, then 9mm 33%), split between blowback (33%) and carbine-length (33%) gas systems, and 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 →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 Yankee Hill Machine A3 Ar-15 Upper Receiver Assembly - Stripped
| Build | Parts | Total |
|---|---|---|
 | 5 | $573.00 |
| 11 | $889.93 |
| 19 | $667.04 |
 | 20 | $783.77 |
| 16 | $947.01 |
 | 6 | $1565.98 |
 | 5 | $524.63 |
 | 9 | $441.25 |
| 12 | $369.22 |
 | 30 | $4826.08 |
| 9 | $882.02 |
1 global rating
Top reviews
tolerances on the A3 stripped upper are correct, takedown pin slipped through with thumb pressure on a YHM lower. anodize varied a touch on mine compared to another YHM upper from a different batch, only visible side by side