GLOCK OEM Factory G27 Conversion Barrel .40 S&W Black

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This is the factory GLOCK .40 barrel that comes stock in the Glock model 27. It can be used to convert the 33 to shoot .40 S&W. Using it to convert the 26 to shoot .40 S&W is not safe as it will not fit into the slide properly. Calibers can only be converted down, not up.