Spokane Gun Trader

Arisaka Rail slider in like new condition. This can mount to a bipod, tripod or any other attachment that uses the ARMS screw spacing. This turns you picatinny rail mount into a quick adjust sliding and QD mount much like an arca rail would function.

More info here.
https://arisakadefense.com/rail-slider/

I'm asking $55 or trade. Will include the screws you need to mount it as well.