OK, here is the MLOK or Keymod direct bolt on version. Should work with both version of the RPR as well as any other front tube with a flat on the bottom with either MLok or Keymod.
It is 6" long and 3/4" thick. I will not provide fasteners, but it appears that there are two types, #10-24 and M5. This will work for both.
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Here are the two bag riders shown mounted.
The bottom is mounted to a picatinny.
The top is mounted to a Keymod/Mlok.
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