ATI Omni Hybrid Maxx – Multi-Cal Polymer Lower Receiver (Pistol)
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Description
The ATI Omni Hybrid Maxx lower receiver is a lightweight, reinforced polymer AR-15 lower that delivers strength and durability at an affordable price. Built with ATI’s patented Omni Hybrid technology, it combines a steel-reinforced buffer tube housing with a polymer body, ensuring enhanced durability in high-stress areas while maintaining a reduced overall weight.
This model is a lower configured as a pistol receiver, making it a versatile foundation for custom AR pistol builds chambered in 5.56 NATO or other AR-15 compatible calibers. It comes equipped with a mil-spec fire control group, polymer pistol grip, and standard safety selector, ready for an upper receiver of your choice.
Ideal for builders who want a budget-friendly, yet strong and reliable lower, the Omni Hybrid Maxx is a proven option for modern AR projects.
Specifications
| Specification | Detail |
|---|---|
| Manufacturer | American Tactical Imports (ATI) |
| Model | Omni Hybrid Maxx |
| Type | Pistol Lower Receiver |
| Caliber | Multi-Caliber (5.56 NATO, .223 Rem, etc.) |
| Material | Hybrid Polymer w/ Reinforced Steel Inserts |
| Finish | Black Polymer |
| Fire Control | Mil-Spec, Semi-Auto |
| Safety Selector | Standard Marked “Safe / Fire” |
| Grip | Polymer Pistol Grip |
| Compatibility | Standard AR-15 Uppers |
| Serial Number | NS333292 (visible in photos) |