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Rock River Arms AR-15 Lower Receiver Stripped 5.56
BrandRock River Arms
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Rock River Arms AR-15 Lower Receiver Stripped is a precision-machined foundation for your custom 5.56 build. Engineered by Rock River Arms, this Top Tier-marked lower ensures compatibility with standard AR-15 parts and delivers reliable performance.
- Brand: Rock River Arms
- Model: AR-15 Lower Receiver (Stripped)
- Caliber: 5.56 NATO
- Material: 7075-T6 Aluminum
- Finish: Hardcoat Anodized
- Compatibility: Mil-spec AR-15 upper receivers
- Markings: Top Tier rollmark
Ideal for builders seeking a trusted platform.