There have been some very good questions to come up about a few things that I either forgot, or didn't even think to mention in the original interest post.
Some have asked about the amount of modification needed for this to fit inside a MIM resin PR shroud package. IMHO, very little. There is a small 'L' shaped piece of material located in the forward section of the shroud halves that need to be removed. That area is depicted in this image.
This is pretty easy to remove with a rotary tool and a little patients. You won't have to be too incredibly neat here because it is hidden on the outside. There is plenty of bulk in this area and the shroud halves do an excellent job at hugging the rest of the airsoft Thompson receiver, anyway.
If you are using a set of Matts vac-formed shrouds ....(ahem... or hand forged alumunim ones... *nudge* *nudge*), no extra modification will be necessary.
A few others have asked about the Bapty 'hero' and the use of an actual Thompson barrel. After searching through some more reference pics, I found this close up of one of the last remaining Bapty PRs.
I'm not sure if this one is THE GL firing unit or a demilled Thompson blank firing unit. But, it is clear that there is no stock Thompson barrel installed on this one. I welcome any and all input from anyone that might have a better idea on these guns.
BTW, Russ: I was looking at some reference images on Phil's site earlier this morning. One of your pics above could almost pass for a spot on replica to one of those pics over there. I was kind of proud to see that.
In any event, it looks like there may be enough interest to actually do this again. Currently, I am still waiting to hear back from a few folks that had asked to be on the update list as well as another materials quote. Unfortunately, I can not make any promises on pricing, yet.
...but I will do what I can to make you fellas proud of me.
