NJ Knuckle Grip
thingiverse
Pic rail mounted NJ Brass Knuckle Vertical Grip thing I tossed together while taking a dump after seeing a post on reddit. https://www.reddit.com/r/NJGuns/comments/ntdwmf/3d_printing_a_vertical_grip/ I haven't made it yet, will probably need to be tweeked. Feel free to make it bettered.
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