ATI Lower AR Milsport delivers a rock-solid foundation for your custom AR-15 build. This mil-spec forged aluminum lower receiver accepts multi-caliber uppers while meeting stringent military-grade specifications.
- Forged 7075-T6 aluminum construction
- Mil-Spec dimensions for universal compatibility
- Multi-caliber design (5.56/.223, 300 BLK, etc.)
- Stripped configuration for personalized builds
- Hardcoat anodized finish
- Made in USA with lifetime warranty
Ideal for home defense, competition, or tactical applications, this ATI lower pairs perfectly with any mil-spec upper receiver and parts kit. Free FFL transfer to any Tennessee dealer.





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