Rainier Arms BCG - Precision Match Grade Nickel Boron
The Rainier Arms Precision Match Grade Nickel Boron BCG - 5.56 is machined and finished to a higher standard to meet and exceed all Mil Spec. It is machined using the most precise equipment in the industry. The bolts are MPI/HP tested & Marked to give you ultimate confidence in your weapon system.
We are so confident that you will be 100% satisfied with this product that we have backed your purchase with our 30 day money back guarantee. Made in USA