The EGW Blued Heavy Duty Slide Stop is precision-engineered for 1911 Government and Officers models chambered in 9mm and .38 Super with .200 pin specification.EGW Heavy Duty Slide Stop for 1911 pistolsBlued finish for corrosion resistanceCompatible with 9mm and .38 Super calibers.200 pin specification for proper fitmentDesigned for 1911 Government and Officers frame sizesHeavy duty construction for enhanced durabilityThis premium slide stop provides reliable function and enhanced durability for competitive shooters and professionals who demand consistent performance from their 1911 platform.