The Omni Hybrid lower features a patented hammer and trigger pin retainment system, preventing movement from the hammer and trigger pin during firing.  The Omni Hybrid also featured our patented over-molded metal insert, which reinforces the buffer tube housing and rear takedown pin.  This allows for metal-on-metal contact with both the buffer tube as well as the rear takedown pin thus increasing strength and durabillity from recoil and consistent firing. 
Mil-Spec Multi-Caliber
 
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