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Zero/Patterning question

Discussion in 'Shotguns' started by Bernie Lomax, Apr 16, 2011.

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  1. Bernie Lomax

    Bernie Lomax Member

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    Hi all,

    I have a Mossberg 590A1 with GRS that I'm thinking of getting a mag extension for. When I put the extension on, will my shotty have the same zero and patterns as it does with the stock magazine cap, or do I need to re-zero and re-pattern it?

    TIA for any info anyone can give me.
     
  2. 451 Detonics

    451 Detonics Member

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    Shouldn't change a thing but I would never change anything on a guin without checking the zero out afterward.
     
  3. Bernie Lomax

    Bernie Lomax Member

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  4. arizona98tj

    arizona98tj Member

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    What 451 Detonics said. I would check it too.
     
  5. oneounceload

    oneounceload member

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    What's a "shotty?
     
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