Yankee Hill Machine Company Model 57 AR 15 Lower Features:
Designed in-house and machined from 7075-T6 aluminum billet. Features over-sized magazine well chamfers. Accepts all generations of PMags. Accepts mil-spec upper receivers. Built-in oversized machined trigger guard. Hardcoat anodized matte black finish. Lower fits and functions with your standard upper receiver.
Yankee Hill Machine Billet Receiver Specifications:
- Precision CNC machined
- 7075-T6 aluminum
- Oversized magazine well chambers
- Accepts all generations of PMAGs
- Accepts all mil-spec upper receivers
- Caliber marked MULTI
- Hard Type III anodized
- Black
| Caliber | 5.56 |
|---|---|
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | Yankee Hill Machine Company |
| Manufacturer Part Number | 125-BILLET |
| Model | AR-15 Stripped Billet Lower Receiver |
| Type | Lowers |
| UPC | 816701017618 |
