GRID DEFENSE AR15 RIFLE BUILDER SET WITH 14″ M-LOK RAIL
- Mil-Spec AR15 Upper Receiver
- AR15 80% Lower Receiver with FIRE/SAFE Markings
- 14″ Grid Defense Lightweight Octo Rail
- Barrel Nut and Mounting Screws Included
- Tungsten Gray Cerakote Finish
- Made in the USA