Reduced Round Aperture for M1/M14 NM. Hood Only


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Finally! A Reduced Aperture versus the standard NM sizes.

Reduced aperture hoods for the M1 / M14 NM sight increase your depth of field, and help your eye focus on the front sight and the target at the same time.

0.047″ provides 10% or 20% less blur, versus standard NM apertures of .052″ or .0595″ resp.  0.042″ provides 20% or 30% less blur, resp.

Hood only.  Available as hood/rack assembly elsewhere in order list.

Preserves 1/2 MOA adjustability by rotating hood.

Reducing the aperture diameter will increase the depth of field of the eye, and will result in improved focus on both the front sight and the target.

–          Hood only; a drop-in part for your existing NM rack.  No fitting or modification required.  Additional hood installation kit is recommended.

Link to CMP disassembly procedure for the Rear Sight

Additional information


.0.042", 0.0595"


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