Over the past decade, AR-STONER™ has developed a great reputation as a high quality, high value, manufacturer of AR-15 gun parts. Utilizing many of the original designs inspired by the architect of the AR15/M16, Eugene M. Stoner, AR-STONER™ continues to evolve with the needs of today’s competition & recreational shooters. AR-STONER™ upper assemblies are manufactured in the USA in an ISO 9001:2008 registered facility. AR-STONER™ uses CNC machinery, controlled production techniques and mil-spec finishes, resulting in extremely high quality & unmatched reliability. Every part, from the smallest pin, to complete upper assembly, is meticulously inspected for quality at each step in the production process. This attention to detail ensures AR-STONER™ Customers can carry their product with the same confidence & pride put into it at the factory.