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Yankee Hill Machine
Overview
The Yankee Hill Machine A3 AR-15 Upper Receiver Assembly is a stripped upper designed for builders looking to create a customized platform. Crafted from 7075-T6 aluminum, this A3 receiver offers a lightweight yet durable structure essential for reliable performance. It is compatible with standard AR-15 components and is commonly used in builds featuring a rifle gas system chambered in 5.56 NATO.
Based on build data
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
Wilson Combat Ar-15 Lower Receiver Forged
Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black
Strike Industries Extended Bolt Catch
Alg Defense Qms Ar-15 Trigger Set
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 27 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 26 | |
| Wilson Combat Ar-15 Lower Receiver Forged | 25 | |
| Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black | 23 | |
| Strike Industries Extended Bolt Catch | 20 | |
| Alg Defense Qms Ar-15 Trigger Set | 19 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 55.6% |
| .223 Wylde | 18.5% |
| .308 Win | 7.4% |
| .450 Bushmaster | 7.4% |
| 300 Blackout | 7.4% |
| 9mm | 3.7% |
| Gas System | Percentage |
|---|---|
| Carbine | 40% |
| Rifle | 28% |
| Mid-Length | 16% |
| Pistol | 12% |
| Blowback | 4% |
Builds in the community that include the Yankee Hill Machine A3 Ar-15 Upper Receiver Assembly
| Build | Parts | Total |
|---|---|---|
 | 7 | $1194.35 |
 | 13 | $1095.17 |
 | 14 | $2055.68 |
 | 15 | $1081.96 |
 | 14 | $971.51 |
 | 5 | $161.50 |
 | 17 | $1479.01 |
 | 9 | $1350.62 |
 | 5 | $562.86 |
 | 9 | $1128.91 |
 | 18 | $1563.59 |
 | 27 | $2486.14 |
2 global ratings
YHM A3 stripped upper for a retro build. takedown pin slipped through with thumb pressure on a YHM lower. machining inside the raceway is smooth, no burrs. drop in install was about a minute
anodizing matches the rest of my build perfectly. zero play on the takedown pins
