Fostech's nickel boron-coated complete bolt carrier group delivers enhanced durability and reliability for AR-platform rifles with reduced friction and superior corrosion resistance.
The Fostech complete bolt carrier group represents a thoughtful upgrade for the AR-platform shooter who understands that reliability begins with quality components.
A quality bolt carrier group is the heart of your AR rifle's reliability. Fostech's nickel boron coating isn't merely cosmetic—it's a functional upgrade that reduces wear on both the component itself and your rifle's receiver. The slicker surface means less fouling buildup and easier field stripping.
Whether you're building a new rifle or upgrading an existing platform, this complete assembly offers the quality and performance that serious shooters expect.