• Mossberg Owners is in the process of upgrading the software. Please bear with us while we transition to the new look and new upgraded software.

peep sight

The 140K did not come with a peep sight but the 140B did. It took a S130 peep. The mounting hole pattern is the same for many Mossberg mounting peeps starting with the #4 (S-104). The Lyman 57M or later 57MS, Parker-Hale PH-16D, Marble-Gross Moss440, some Redfield 70/75/80, but not the Mossberg S108.
 
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