I've been quite busy with work alongside doing this mortar and starting my next costume, so that's why I haven't updated this as I went like I prefer to, but I will go over how I've gotten to this finished version of my mortar
I went and made files for the feet of the bipod, though I didn't finish my "tube" print for the bipod, as I quickly realized that the screen used bipod is a lot longer than mine. The bipod used in the show is an extendable one, so is mine, but mine needs to be fully extended to be the length used in the show. If you look at references you'll notice that only the bottom part of the bipod is extended and that the upper part is collapsed. Adding the tubes onto my bipod would look extremely odd with how close it would be to the feet of it. This along with the iron sights being too big, and missing a couple greebles above the iron sights is enough for me to want to come back to this eventually with a version 2, and possibly modify this version 1 to launch stuff (obviously not for conventions and that, just for my own amusement lol). The bipod was also just attached using plenty of CA glue, I could've likely screwed it on or tried using a proper bipod holder, but I didn't think the holder looked very accurate on it, and I couldn't find exactly how it was originally attached for the show, so I just went off the placement seen in references.
I will be sharing this bipod end file, as well as the file in my first post in a day or two. To attach it I used the small metal pin found on the bipod. Once you remove the original rubber ends, this pin gets exposed and it's used to hold the spring inside the metal tube, but it's also convenient enough to stick out and slide into my printed bipod ends.
I also wanted to note that if you compare the 3 yellow dotted detail on my mortar to the Hot Toys references (these are also the references used for the CRL), mine is placed differently, I used this reference image below of the actual mortar for my placement of it
Oh and as a fun little detail that I don't have pictures of yet, the cylinder piece on the side of the mortar matches the handle on the side of the munitions pack and can be attached to the pack. Though I haven't tried wearing it myself like this just yet because my munitions pack is already heavy enough as it is and I don't need to be adding another 5-10 pounds to it lol