A complete assembly for attaching a shoulder stock to an AR-15 style rifle typically includes a receiver extension, buffer, buffer spring, and stock hardware. This assembly provides a stable platform for firing and enhances user comfort and control. Different configurations are available to accommodate various stock designs and user preferences.
A properly functioning and appropriately configured assembly is crucial for reliable firearm operation and shooter accuracy. It contributes significantly to mitigating recoil and allowing for rapid target acquisition. The evolution of these components has mirrored advancements in firearms technology, leading to improved ergonomics, lighter weight materials, and enhanced customization options.