Ok, it looks like they can just be flipped, front to back as long as it is the zero moa version. Thanks
NOOOOOO. They only go one way due to the screw spacing. A true rail has no slot cut for loading or ejecting. If there is a slot it is not a true full rail.
"And you shall know the truth, and the truth shall make you free.” John 8:32 (New King James Version)
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