AR-15 Stripped Billet Lower Receiver, Multi-Caliber

AR-15 Stripped Billet Lower Receiver, Multi-Caliber

The Yankee Hill Machine Model 57 AR-15 stripped lower is one of the coolest looking lowers on the market with an attractively stylized pattern. The Model 57 is perfect for building a unique AR-15 like no other! Let's face it, if you are the kind of person that likes to build their AR-15 from scratch, chances are you aren't doing it to save money. You're doing it so that you can assemble the perfect rifle and not waste time with parts that aren't in line with your vision. 

The Model 57 is machined from a solid block of billet 7075-T6 aluminum on the best computer controlled milling machines. Once the lower is passed through the stringent Yankee Hill quality control process, it is coated with a black Mil-Spec Type III hard-coat anodizing. The Type 57 lower accepts all Mil- Spec uppers as well as lower components. 

Specifications and Features:

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


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