Upgrade your AR-15 with the Guntec USA Fire Control Group featuring a sleek Nickel Boron finish. This high-quality FCG-NB is designed for smooth operation and enhanced durability, ensuring reliable performance shot after shot. The nickel boron coating not only provides a striking appearance but also reduces friction and wear, making maintenance a breeze. Whether you're building a custom rifle or upgrading your current setup, this fire control group is an excellent choice for any enthusiast looking to enhance their shooting experience. Elevate your firearm with Guntec’s precision-engineered components!