halftrack

That extractor slot looks tight. If the extractor has rub marks on the front edge I would say this might be your problem. Remember, it needs a lot of room to raise up and grab the rim of the cartridge. There should be good clearance in the extractor slot area.

Firearm, awesome post! Out of curiosity, do you have any WW2 production Thompsons with a known history (a specific theater/battle veteran bring back) in your collection that you can share with us? I know its a long shot of a request, but being a military guy I had to ask.

Being an engineer and a wanna be machinist, I love to see these type of posts from you. Thanks!

Firearm, I enjoy your posts the most with the knowledge and history you have in your possession. Your modesty is much appreciated as well. I enjoy the pics you put on this forum because the jewels you pull out of the vault and show us are amazing.

Am I missing something? I was under the impression that with Thompson barrels you just screw them in and be done with it.

You are better off going to an engraving company. Cheaper then buying or fabricating a stamp.

Just talked to him today. Very busy. He is way behind on emails he said. Best try to keep calling.

I like the worn look on the receiver. Looks good!

When using this tool, does grain structure in the metal play a significant role in how this machine is used? Especially in the direction or plane in the area being machined?

I see a radio antenna and a spool of communication wire in the foreground. This lends me to believe the photographer is near some comm Marines trying to setup a net. It could be very likely that the Thompson belongs to a radio/wire Marine (a Thompson would be a likely suitable weapon for a non-line Marine) whose main priority is to get comm up and running, thus ditching/setting aside his weapon and gear in order to give him more maneuverablilty in him accomplishing his task. Still happens like that in the field today. The comm guys throw their crap in a pile and run around like ants running wire and setting up the net. This is all a guess of course.

Is your weapon new? The reason I ask is because mine became much better over time and use.

Is that a wall or ridge behind him?

The sarco drum is the same Taiwanese drum. Its a steal for the quality and functionality. Just bought one and it works perfect. Minus the lack of WW2 markings, its an awesome deal!

Halftrck mount. The M16 and M16a1 halftracks more specifically. I had one in my halftrack.

While I appreciate purists and collectors for what they do or try to do when making or changing a firearm back to its original factory condition, in reality the firearm or military Collectable for that matter very rarely stayed factory for long. To me, a GI mismatched Thompson is just as original if not more so then a factory gun that never saw action. If some of you folks knew what we do to our gear in the Marines you would be appalled from a collectors perspective. I laugh to myself when enthusiasts claim when that was never done like that back then when I can show them photographic evidence that says otherwise. I still use the old M16 bayonet in the field even after we stopped issuing them over 15 years ago. Go figure.

As long as the Gov't can collect $200 for SBR's or silencers, they will not get rid of the SBR thing, as ridiculous it may be. I agree that a AR15 pistol with a 7 inch barrel is more concealable and deadlier than a subgun with a stock. I can place just as well aimed shots holding my AR pistol with both hands as my Thompson with a stock. That being said, I don't mind the Tax stamp but the wait times are annoying and absurd. The crazy thing is that I run across people all the time (including LEOs) that put a short barrel on a lower with a stock being oblivious to the law. I gave up on trying to explain it to people because the typical response I get is "well that's just stupid and makes no sense". At the same time, I have never been challenged by anyone (including LEOs) about my SBRs.

Your number 2 post is so true. Its even better when the instrumentation engineer lectures the mechanical engineer on how to do piping! Lol, I wanted to say Im an engineer too but at that point I wouldnt think anyone would of believed me.

Thank you Black River for some clarity on the issue! While some may call it a gimmick and loophole, I think its innovations like this that help keep some of our rights from eroding. Its funny that the word gimmick was used. I read many times over how the blish lock was a gimmick on this forum but yet it doesnt stop people/collectors forking out $40,000 for that so called gimmick. Just food for thought, not meant to ruffle feathers.

I will play devils advocate for a moment. When people started the NFA trust thing people thought the same. However, that seemed to turn out pretty well. Is it not for these companies, would we not have what we have now?

So, it was revealed at the SHOT show that Franklin Armory found a way from needing a tax stamp for a SBR. As I understand it, there is no twist in the rifling. Someone please correct me if I am wrong or can shed light on this matter. So does this mean someone can make Thompson barrels with straight rifling. While I totally understand this diminishes accuracy, but to circumvent the whole $200, paperwork, and ungodly wait times then who cares. Any opinion or knowledge on this new revelation is welcomed.

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Its on all the news network today.

What is just as embarrassing is the recent capture of the two Navy patrol boats by Iran. I have seen some of the officers being put out. No sense of pride and definitely a lack of standards. Before you jump on me, yes I am in the military and yes I am an officer.

I dont believe that was all taken from the ship. I believe that is from their war museum from the Korean War.

North Korea as a trophy.