Try with the gun empty and chamber closed/locked (pointed I a safe direction) by pulling the trigger and seeing if the action unlocks to allow you to pump it. If it does be sure that recoil is not causing the pump hand to start the cycle (pump) slightly b
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Anonymous
Answered
Carl, something does not sound right Sir. You should contact Mossberg Customer Service for a resolution at (800) 363-3555 ---- mossberg.com/service/
