The AB ARMS BOLT ASSEMBLY from American Built Arms Company delivers a precision-engineered AR-15 bolt assembly crafted from steel and finished to endure demanding conditions, making it an essential upgrade for rifle enthusiasts and professional shooters alike. This bolt assembly is designed to integrate seamlessly with AR-15 platforms, offering reliable performance with the added benefit of requiring virtually no lube during use, which helps reduce maintenance and downtime on the range or during field operations. A manganese phosphate coated extractor provides a surface finish that enhances extraction during firing, contributing to smoother cycling and more consistent shot recovery under diverse conditions. Made in the USA, this bolt assembly combines durability, functional reliability, and thoughtful design to support repeatable accuracy and long-term service life. With a compact footprint described as 1.10 x 3.05 x 5.50, it fits standard AR-15 configurations while maintaining a practical balance of strength and compatibility. Whether upgrading an existing rifle or building a dependable platform, the AB ARMS BOLT ASSEMBLY from American Built Arms Company stands out as a capable, high-performance choice for rugged use and precision shooting.