Brief CZ Scorpion EVO3 S1 Review.

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Laufen

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Here it is in it's current configuration.

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Laufen

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thats really strange, was it a serious set of rapid mag dumps?
No, not really. Double tapped 20 rounds. If you rapidly dumped mags through it, there's no way in hell you'd put your hand there.
 
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Laufen

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I was thinking the same thing. That's roughly where the chamber should be...was it just on the one side or both?
Both sides as far as my baby soft desk jockey hands could tell. It didn't take a lot of rounds to get it too hot to touch.
 

rOmiLaYu

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Both sides as far as my baby soft desk jockey hands could tell. It didn't take a lot of rounds to get it too hot to touch.
I would guess that it's just the chamber warming up and then the polymer transferring and retaining that heat. With it being direct blowback - and with the bolt being lite and small-ish - I would imagine a good bit of gas is escaping the aft end of the chamber along with the brass and that is probably heating the polymer as well.

I would never have thought that, though....interesting.
 

PewPewPewCo

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I would guess that it's just the chamber warming up and then the polymer transferring and retaining that heat. With it being direct blowback - and with the bolt being lite and small-ish - I would imagine a good bit of gas is escaping the aft end of the chamber along with the brass and that is probably heating the polymer as well.

I would never have thought that, though....interesting.
if the chamber is getting that hot, I am surprised. direct blowback kind of likes to seand heat to the atmosphere real quick.

I wonder the thickness of the chamber walls?
 

rOmiLaYu

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if the chamber is getting that hot, I am surprised. direct blowback kind of likes to seand heat to the atmosphere real quick.

Agreed but if atmosphere is being held inside a sealed polymer shell....

I wonder the thickness of the chamber walls?
I wonder that too....funny thing to note, though. The manual does say the maximum "number of cartridges which can be fired from the
e barrel in continuous fire" is a measley 180. So apparently heat is an admitted issue.
 

Laufen

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I would guess that it's just the chamber warming up and then the polymer transferring and retaining that heat. With it being direct blowback - and with the bolt being lite and small-ish - I would imagine a good bit of gas is escaping the aft end of the chamber along with the brass and that is probably heating the polymer as well.

I would never have thought that, though....interesting.
The bolt is enormous for a 9mm.
 

Jcountry

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NWS

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Eh...maybe. the bolt on my MechTech SBR is four times that big. Size matters ;)


Yep. Much smaller than an uzi bolt too. Actually, it's pretty small for a direct blowback 9mm.
 
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boss_hawg

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40 is an underrated suppressed round IMO.

But I couldn't care less about more direct blowback guns. It's old tech thrown in modern shells.
old tech but it's cheap to manufacture.

that's why you can get these for under 800 when others run twice that.