I got lotsa compliments and people asking me if they could take pictures of/did I sell the spotting scope and LRF tripod mount that I was using this past weekend at the Snipershide Team Cup. I figured I'd put up some pics and details on how to make this pretty useful and super simple adapter. Basically it's a 6" ARCA (male) plate that I attached 2 (female) ARCA receivers to. I have a tripod adapter for my Kilo 2000 that a friend of mine 3D printed that has a male ARCA dovetail on it and I put another male ARCA plate on my spotter. I then lined them up so that when I got on target with the LRF, I could transition to the spotter and already be on target. It's not an absolute co-witness but it's enough to get you on target and works for me. The nice thing is that with all the ARCA plates nicely torqued down, you can take the whole thing apart and pack the LRF, spotter and adapter separately then reattach them and maintain co-witness. Here's some pics: