YHM billet lower with hardcoat anodize, finish is consistent across the whole receiver. lines up perfect with a YHM upper, takedown pins slip without play. integrated trigger guard saves a build step



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Yankee Hill Machine
Overview
The Yankee Hill Machine .223 Rem/5.56 Billet Lower Receiver is a stripped lower designed for the AR-15 platform, made from high-quality billet aluminum and finished with a hardcoat anodized matte black for enhanced durability. It features a standard trigger pin size of .154, making it compatible with a wide range of triggers. This lower is well-suited for builds utilizing a mid-length gas system and chambered in 5.56 NATO, allowing for a smooth and reliable shooting experience.
Based on build data

Strike Industries Extended Bolt Catch

Phase 5 Tactical Ar-15 90 Degree Ambi Safety Selector Black

Fortis Lightweight Enhanced AR-15 End Plate, Gold - LE-BLK-K1-GOLD

Wilson Combat Ar-15 Starburst Gunfighter Pistol Grip Black

Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C

Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Strike Industries Extended Bolt Catch | 22 | |
| Phase 5 Tactical Ar-15 90 Degree Ambi Safety Selector Black | 19 | |
| Fortis Lightweight Enhanced AR-15 End Plate, Gold - LE-BLK-K1-GOLD | 18 | |
| Wilson Combat Ar-15 Starburst Gunfighter Pistol Grip Black | 16 | |
| Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C | 15 | |
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | 14 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 85.7% |
| 300 Blackout | 14.3% |
| Gas System | Percentage |
|---|---|
| Carbine | 40% |
| Mid-Length | 20% |
| Pistol | 20% |
| Rifle | 20% |
Builds in the community that include the Yankee Hill Machine .223 Rem/5.56 Billet Lower Receiver, Hardcoat Anodized Matte Black - 125-BILLET
| Build | Parts | Total |
|---|---|---|
![]() | 13 | $1099.65 |
![]() | 12 | $1240.42 |
![]() | 16 | $1329.66 |
![]() | 23 | $1849.66 |
![]() | 17 | $888.62 |
![]() | 25 | $2167.71 |
![]() | 22 | $1934.34 |
![]() | 20 | $1226.53 |
![]() | 24 | $3572.32 |
![]() | 14 | $961.31 |
![]() | 17 | $888.62 |
![]() | 28 | $2331.07 |
1 global rating
YHM billet lower with hardcoat anodize, finish is consistent across the whole receiver. lines up perfect with a YHM upper, takedown pins slip without play. integrated trigger guard saves a build step