ATI® Omni Hybrid Maxx P4 5.56 NATO/.223 Remington AR-15 Pistol
The Omni Hybrid Maxx features ATI's metal-reinforced polymer upper and lower receivers…which help to reduce weight and increase maneuverability without sacrificing durability. The lower receiver features an 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, delivering the strength and durability to withstand recoil and constant use.
In fact, the Omni Hybrid lower has been specifically tested to withstand all sorts of use and abuse. The folks at ATI put it through all the pressure and weight-bearing tests, similar to the US Military's testing, and found it to function flawlessly, even after supporting up to 250 lbs. and being run over by an 800-lb. forklift. Then, they ran 2,000 rounds through it without a hiccup.