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Blackwater or 51771 590a1 sight question.

PRASKO

Copper BB
Got a dumb one for ya'll.

Does anyone know what the size of the rear aperture is on the XS sights?

They make three sizes. .230 .191 and .150

Which size does mossberg use?
 
PRASCO,
Check out my post "590A1 Blackwater - finding a front sight that works". Thru all of my trials I did not consider changing the rear sight...Maybe that may make sense or not for your particular application.
 
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