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CZ LONG ARMS => CZ Scorpion EVO => Topic started by: LordEvo on August 29, 2020, 09:43:50 AM

Title: A future delayed blowback?
Post by: LordEvo on August 29, 2020, 09:43:50 AM
I was curious on if there were any rumors of CZ developing a delayed blowback scorpion?

I may be wrong, but it looks like Ruger and CZ are the only companies left without some type of delayed blowback.
Title: Re: A future delayed blowback?
Post by: QuickDrawMcgraw on August 29, 2020, 10:29:08 AM
So looking up delayed blowback - there are couple I guess proprietary terms or terms for how the delayed performs.  In all honesty until I just googled this I didn't know there were so many different kinds - I had heard of Roller and Gas but check out these 2 wiki links just for FYI:
https://en.wikipedia.org/wiki/Blowback_(firearms)#Delayed_blowback

https://en.wikipedia.org/wiki/List_of_delayed-blowback_firearms

But I have a CMMG Mk 45 Guard that is considered Radial delayed blowback. - The Guard was the name before they changed them all to Banshees I believe.

Kriss Vectors are considered Vector delayed blowback.

Grand Power Stribog is considered roller delayed blowback.

Title: Re: A future delayed blowback?
Post by: Hammer Time on August 29, 2020, 10:32:23 AM
I kinda doubt we'll see a delayed blowback Evo, but who knows.

Personally, I'm fine with the Evo just the way it is. The recoil is no big deal and it keeps the design very simple and robust.
Title: Re: A future delayed blowback?
Post by: ndmiller on September 15, 2020, 12:38:13 AM
robust.

Reminds me of the wine sommelier in John Wick movies.  For a light evening out may I suggest the particularly Robust CZ Scorpion Evo S......
Title: Re: A future delayed blowback?
Post by: Hammer Time on September 16, 2020, 10:53:53 PM

Reminds me of the wine sommelier in John Wick movies.  For a light evening out may I suggest the particularly Robust CZ Scorpion Evo S......

Might I suggest pairing it with a spicy STI Combat Master?

 8)
Title: Re: A future delayed blowback?
Post by: thehun on September 23, 2020, 03:48:17 PM
Once you start introducing delayed blowback systems...reliability can take a hit...failure rate can increase...

HK pretty much engineered it properly with the roller-delay system...

A properly designed blowback system is not too terrible...

UZI is punishing in the PRO variant...
Title: Re: A future delayed blowback?
Post by: igs on December 18, 2023, 12:44:55 PM
robust.

Reminds me of the wine sommelier in John Wick movies.  For a light evening out may I suggest the particularly Robust CZ Scorpion Evo S......

And yet in the film he brought out a gas impingement AR.
Title: Re: A future delayed blowback?
Post by: briang2ad on December 23, 2023, 03:29:51 PM
and BTW - HK went from roller delayed to BB in the UMP - its latest sub gun. 
Title: Re: A future delayed blowback?
Post by: igs on January 15, 2024, 05:56:55 PM
Just add a hydraulic buffer like B&T does.

(https://cdn11.bigcommerce.com/s-6faujhppx4/images/stencil/960w/products/371/617/BT-36320-2__20156.1663774414.jpg?c=1)
Title: Re: A future delayed blowback?
Post by: Destructo6 on January 16, 2024, 08:16:46 AM
Quote
and BTW - HK went from roller delayed to BB in the UMP - its latest sub gun.
Cost was the major reason for HK to go with a blowback and it is the reason others don't develop them.

UMPs cost agencies about $400, whereas MP5s are about $1,000. Cost of civilian versions is a completely different argument.