This is probably a dumb question but google isn't turning

>>35191605
Colt had a wonder 9 based on a design Stoner came up with that had a trigger like that. It rolls on bearings, but the gun is terrible. HK VP70, I think, is like that, and I believe the LCR does it too. However, Ruger spent time and money making it work, which makes it unique amongst those kinds of triggers, apparently.

Although technically speaking, a 1911 trigger moves in a straight line as well.

>>35191605
The 1911, lol

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>>35191658
Came here to say that, first thing that came to mind

>>35191605
Steyr AUG, only rifle that I know of with a straight travel trigger

>>35191652
The Colt All American 2000?

It's a pivoting trigger, and was co-designed with Reed Knight. The prototype was good but Colt, in their infinite knowledge, managed to fuck it all up.

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>>35191834
>Steyr AUG, only rifle that I know of with a straight travel trigger

I supposed there's also the 1911-based variant of the Mech Tech CCU.

>>35191605
the grenade launcher

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>>35191865
forgot pic

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>>35191834
Looks like he's spitting out the casings.
>>35191605
The 1911 has a straight pull trigger, but it's pushed towards the grip instead of being pulled towards the grip like your image shows. Most long guns tend to have their hammers considerably above the trigger and behind the trigger instead of in front. I used shapes in paint to kind of illustrate what I think you're thinking of. What immediately comes to my mind is that this design requires more area for the trigger that kind of makes the trigger too unergonomic for use.

>>35191882
Looking a bit longer, I realized that it leaves the area above the grip empty, since everything would be in front of it, which is an unnecessarily wasteful design. It would cost more money for something of negligible difference.

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>>35191850
>mfw I'm going to get one of these and put a wooden AR stock on it because I can

>>35191882
>too unergonomic for use
Would it really be much larger than the trigger housing of a Sten or M3?

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>>35192010
I guess it'd be about the same as a Sten. I've never held one and it looks a little bit uncomfortable to me, but if it's not, then I guess that's not a problem.

>>35191850
P90 as well, no?

>>35191903
Honestly just putting a wooden butt on it will look weird.

What you really should do is to have a wooden stock made that cradles the entire upper receiver in one long smooth piece.
It'd probably be best to make the grip panels separate though.

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Quite the few WW1 pistols have straight pull trigger,like the Steyr Muster 12 and some Sauer pistols if i recall correctly

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>>35191605
?????

somewhat related but i heard the PTRS antitank rifle actually swivels from the bottom rather than the top

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>>35191882
this polish resistance made ww2 smg seems to be somewhat like OPs design