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)
Condition: Used
Manufacturer: American Tactical ATI
Model: Omni Hybrid Maxx
SKU: NS333292
Vendor: Gunprime
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