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| The Vortex Viper co-witnesses perfectly on the M&P Core, I mounted mine two weeks ago. It co-witnesses so much the sights obstruct the field of view a bit and I am considering removing the iron sights. I'm really liking the Viper though. SB
"Shohna ba Shohna - Shoulder to Shoulder"
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| Posts: 1650 | Location: Knox/Etown KY | Registered: June 08, 2006 |
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| I have used an M&P 9L Pro CORE 5" 9mm (m1.0 with full Apex cures) and a Venom sight. Works very well.
Mac in Michigan
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| Posts: 508 | Location: Below the Bridge in Michigan | Registered: July 04, 2015 |
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| My CORE 9L will sort of cowitness in the bottom of the RMR window. However the dot is slightly off from the front sight... both hit to POA I can't explain it. I ignore the sights and shoot the dot.
--------------------------- My hovercraft is full of eels.
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| I too have Vortex Vipers on my COREs with no issues cowitnessing with iron sights |
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