The Aero Precision Rifle Buffer Kit delivers a complete mil-spec foundation for AR-15 builds, providing the essential components needed for a reliable and smooth-functioning buffer system. Designed for consistency and compatibility, this kit includes the receiver extension, buffer, spring, castle nut, and end plate, all engineered to work together as a matched system for straightforward installation. Aero Precisions enhanced design supports clean cycling and dependable bolt carrier movement, making it a strong choice for both new builds and component upgrades. Built to mil-spec standards and known for quality machining, this buffer kit is well-suited for general-purpose rifles, range setups, and duty-style configurations where reliability and proper function are the priority.

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