I picked up a Weaver GP38-2 dummy for $35 at the Midwest TCA meet today. It looked really good and the light and sounds worked, so I figured why not. The front coupler is missing the pin to keep it closed and the back coupler works fine but looks weird, see picture for both couplers. On the back coupler the pin with the spring is very high. Not sure if anyone sells replacements. I fixed the front one with a toothpick and super glue, so it stays closed, just not operational any more, which might be fine. I don't own any other Weaver items so I don't know if the back coupler should look that way.
Thanks
Tony