Zero/Patterning question

B

Bernie Lomax

New member
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.
 
Yes it would be the same with the possible exception of harmonics affecting things a tiny bit... But we are talking about a phenomenon reserved for longer range rifle shooting so I doubt any normal fella could tell.

Brent
 
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