ATI’s Omni Hybrid lower receiver is a multi-caliber AR-15 lower constructed of reinforced polymer and accepts any .223 caliber upper and magazine. This design is patterened after a mil-spec lower and comes complete with a lower parts kits, grip, and M4 6-position stock.
Lower Parts Kit Installed
Receiver Extension Tube Installed
6-Position Stock Installed
Hybrid Polymer with Metal Inserts
Note: This receiver has been tested and reliably functions with .22LR & 5.56mm NATO but may not work with higher caliber conversions.Brand: American Tactical Imports