I'm looking for a metal airsoft Thompson upper to mate with a real Tommy gun lower. I can't find pics online of the bottom side of the Marui upper. I understand that some mods could be required, but overall dimensional differences would be a no go. Anyone have insight or experience with this? Thanks.

I can send some pics of a TM upper for you

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A02/TQ2.0.52141E1

"Errr... Roger that's a 2-1-6..."

I suspect there may be size differences which will make marrying uppers from Japanese replicas to original lowers as the Japanese replicas are made in metric…

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A02/TQ2.0.52141E1

"Errr... Roger that's a 2-1-6..."

Thank you for the information. I haven't been able to find a metal Tokyo Marui and am now considering that the expense wouldn't be worth it for experimentation purposes.

For a stand-in, I have acquired a 1:1 resin copy that fits my lower and also fits a real working M1A1 bolt group. The issue is that I don't think it's durable enough to hold the weight of the barrel assembly.

I also have one of those solid aluminum uppers that can't fit a bolt group; so it's a bit of a trade off.

You could try a 3d print. The Paul's Boutique 3d files are pretty good.

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Sci-Firepower Prop Collection:
https://www.facebook.com/scifirepower/

Has anyone mucked about with a Denix Thompson (looks like they only do a 1928 version, which is annoying, but not "un-fixable").
I think I've read that the Denix is slightly over-sized? Still, it's a possible metal option, even if it's probably made of 'pig-iron'.

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Cpl Aron "septic" Williams
A10/TQ0.0.82146E1

Are the cybergun/King Arms thompsons not just clones of the Tokyo Marui? They are really easy to find.

I've been meaning to touch up some parts on a pulse I made from a cybergun. I'll post picks of the upper's underside in this thread soon.


A bit pricey just to poach the upper from, but you may also consider the WE-Tech GBB thompson. All pretty heavy metal. Not sure if the additional blowback function internals would cooperate with a real one though. Still easier to find than a tokyo marui.