1903 Reduced Aperture


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USGI sight apertures for the 1903 with a reduced aperture soldered in.  Fully legal in the CMP ‘as issued’ class.


The amount of blur your eye sees is directly proportional to the aperture diameter, so dropping from a USGI .070 to a .042 aperture produces only 60% as much blur (ie a 40% reduction).


Apertures are available in 0.042, 0.044, 0.0465, 0.052, or 0.0595.

Additional information


0.042, 0.044, 0.0465, 0.052, 0.0595


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