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DSG AR15 Buffer Spring is a replacement part for an AR-15 Carbine which is necessary to keep your AR-15 functioning properly. The numerous cycles while shooting will wear the spring down and will need to be replaced. This AR-15 buffer spring is made to strict Mil-Spec specifications and is a standard power spring.
AR15 standard OEM carbine buffer spring for .223/5.56MM caliber AR's.