It's weird but I think the oob discharges are in three (3) different catagories. 1. Hot hand loads. 2. Striker blocking pin mis-timed to trigger. 3. Striker block pin and its hole being deformed over round count (hammer to bolt reset cycles, especially with BT's installed. The Nexus bolt will have completely zero effect on all three problems unless thousands of rounds have been fired and impact compression (hammer to bolt) has degraded the blocking pin travel and thereby its ability to restrict the firing pins forward travel while oob. Even then only the third condition would be mitigated with the Nexus bolt. I saw two owners in a video this month remove powder and lead from live fresh ammo, put the primed cases into the chamber and got oob discharges, consistantly by manually holding the bolt short of fully closing and easily got oob discharges from two scorpions fresh from their boxes that had never been fired. Brand new Scorpions! No bolt on the world will prevent that, only CZ can - if they decide to. //ji
A reason presented in favor of the Nexus aftermarket bolt/striker block is that the lip around the stock block is "soft" and deforms, metal shavings/dirt will enter the striker block channel, or the striker itself will deform (again a softer metal). I'm wouldn't know, my scorpion is less than a week old and I have it stock. I still have all my fingers and striker is properly blocked.
It’s a lengthy video, I know, but there’s quite a lot to cover. If you have previously or are now purchasing the nexus bolt, please bear with me until the end as I do incorporate a lot of need to know information.👍🏻
Have a Nexus bolt that should be delivered in a few days. Took two months to ship, so I would be surprised if he has 1000 out there. Hope to be a happy customer and fully expect to be.
Does the Stribog SP9A3’s roller delayed action help prevent OOB detonations? I know you mentioned that system is not the same as the MP5’s roller lock.
Ehhh. Yes and no. It doesn’t have the same delay action as an mp5 and has one that is quite unique. I would say that it is certainly more capable of resisting hot ammo case fracture than a standard blow back action, but I wouldn’t say that it’s entirely immune. Murphys law, if I did, I’m sure someone other would prove me wrong. 😂 That said, because of the delay, even in cases of super hot ammunition any potential damage is gonna be pretty minimal as well, the receiver is aluminum so unlike the scorpion, a catastrophic failure like that is gonna be at a minimum
The scorpion 3+ and evo bolt are identical. I can’t tell you if you should or shouldn’t, me personally, because I shoot a lot and don’t feel like filing and chamfering the pilot hole in the belly of the bolt to keep it functioning, I prefer the upgraded bolt. But if you don’t mind the extra attention needed to the bolt, it may not be for you. It’s ultimately up to you. I just want to arm you with the knowledge to make an informed decision. 👍🏻
With a blowback system like the scorpion, people are doing nothing but begging for trouble by making the platform fire faster than it can safely handle. The binaries are a big problem with this on their own. Not against them, they just have their places and this cz is not one of them
As it happens, nexus is coming out very soon with a full billet aluminum receiver that has bering delay in it that’s compatible with OEM bolts. It’s gonna render this issue entirely moot. And make the scorpion shoot softer. Currently in testing. I plan on putting it through its paces when I get my hands on it but from what I’ve seen from the owners testing footage, it’s gonna completely change this platform and rid the scorpion of OOBD and case rupture issues entirely
@@theuncouthtruth9551 Now that is actually exciting. Looking forward to the review and unfortunately seems like the scorpion is gonna go up in price...
What a fantastic video. I have just purchased a new 3 plus and discovered the potential issues with the striker block. That lead me to Nexus, then to you. It is obvious to anyone with a brain that you are speaking factually, honestly, and trying to help the community. All that to say. Is this potential issue something that happens from wear over time or is it a from the factory issue out of the box?
It’s hard to say because I don’t have the amount of data to give an accurate estimate. CZ would be the only ones able to give an accurate assessment. Mine for example, my drop safety did not work out of the box as a result of poor machining tolerances. So it had to be replaced. But even after replacement, after shooting a lot of ammo, it started to peen into the path of the firing pin block and prevented it from functioning. Ultimately, You would need to check yours periodically to verify function.
@@theuncouthtruth9551Just curious, do you use a binary or upgraded trigger? Are both 124 Grain and 147 Grain considered hot loads for the Scorpion? Just ordered one, want to ensure I take good care of it.
@@cbbees1468 I used to use a binary but ultimately got rid of it because it kept having problems with the selector switch sticking. It got kind of annoying so I got rid of it. I thought Vines’s a cool concept at first but the novelty wore off and I just wanted a better functional trigger. I now use the mil spec trigger with HB springs. When I use the term “hot” referring to ammunition, I’m talking about chamber pressure being well above SAMMI spec. The grain of the round is referring to the weight of the projectile.
Original follow up video I’m referring to. czcams.com/video/UV7bkJXoOnw/video.htmlsi=4TIQvvSwjwFmXrcy
It's weird but I think the oob discharges are in three (3) different catagories.
1. Hot hand loads.
2. Striker blocking pin mis-timed to trigger.
3. Striker block pin and its hole being deformed over round count (hammer to bolt reset cycles, especially with BT's installed.
The Nexus bolt will have completely zero effect on all three problems unless thousands of rounds have been fired and impact compression (hammer to bolt) has degraded the blocking pin travel and thereby its ability to restrict the firing pins forward travel while oob.
Even then only the third condition would be mitigated with the Nexus bolt.
I saw two owners in a video this month remove powder and lead from live fresh ammo, put the primed cases into the chamber and got oob discharges, consistantly by manually holding the bolt short of fully closing and easily got oob discharges from two scorpions fresh from their boxes that had never been fired.
Brand new Scorpions!
No bolt on the world will prevent that, only CZ can - if they decide to. //ji
A reason presented in favor of the Nexus aftermarket bolt/striker block is that the lip around the stock block is "soft" and deforms, metal shavings/dirt will enter the striker block channel, or the striker itself will deform (again a softer metal).
I'm wouldn't know, my scorpion is less than a week old and I have it stock. I still have all my fingers and striker is properly blocked.
It’s a lengthy video, I know, but there’s quite a lot to cover. If you have previously or are now purchasing the nexus bolt, please bear with me until the end as I do incorporate a lot of need to know information.👍🏻
The Nexus bolt is so sick..machining fit and finish is top notch. Works perfect.
Have a Nexus bolt that should be delivered in a few days. Took two months to ship, so I would be surprised if he has 1000 out there. Hope to be a happy customer and fully expect to be.
Just got the carbine 3 Plus, have not tested it yet. So thx for the info....
You're doing a great job. Screw the "fangs" guys - there are a lot of tools out there that need to be ignored. Thanks!!!!!!
Does the Stribog SP9A3’s roller delayed action help prevent OOB detonations? I know you mentioned that system is not the same as the MP5’s roller lock.
Ehhh. Yes and no. It doesn’t have the same delay action as an mp5 and has one that is quite unique. I would say that it is certainly more capable of resisting hot ammo case fracture than a standard blow back action, but I wouldn’t say that it’s entirely immune. Murphys law, if I did, I’m sure someone other would prove me wrong. 😂
That said, because of the delay, even in cases of super hot ammunition any potential damage is gonna be pretty minimal as well, the receiver is aluminum so unlike the scorpion, a catastrophic failure like that is gonna be at a minimum
Me compro el scorpion si o no?
Does this also apply for the Scorpion 3+ as well? Should I upgrade to the Nexus bolt?
The scorpion 3+ and evo bolt are identical. I can’t tell you if you should or shouldn’t, me personally, because I shoot a lot and don’t feel like filing and chamfering the pilot hole in the belly of the bolt to keep it functioning, I prefer the upgraded bolt. But if you don’t mind the extra attention needed to the bolt, it may not be for you. It’s ultimately up to you. I just want to arm you with the knowledge to make an informed decision. 👍🏻
Also got a brand new 3+ micro. I'm just learning about this and still skeptical.
My striker block is working normally.
I own both scorpion and the akv. I want to love the scorpion but I love the akv.😂
With a blowback system like the scorpion, people are doing nothing but begging for trouble by making the platform fire faster than it can safely handle. The binaries are a big problem with this on their own. Not against them, they just have their places and this cz is not one of them
As it happens, nexus is coming out very soon with a full billet aluminum receiver that has bering delay in it that’s compatible with OEM bolts. It’s gonna render this issue entirely moot. And make the scorpion shoot softer. Currently in testing. I plan on putting it through its paces when I get my hands on it but from what I’ve seen from the owners testing footage, it’s gonna completely change this platform and rid the scorpion of OOBD and case rupture issues entirely
@@theuncouthtruth9551 Now that is actually exciting. Looking forward to the review and unfortunately seems like the scorpion is gonna go up in price...
What a fantastic video. I have just purchased a new 3 plus and discovered the potential issues with the striker block. That lead me to Nexus, then to you. It is obvious to anyone with a brain that you are speaking factually, honestly, and trying to help the community. All that to say. Is this potential issue something that happens from wear over time or is it a from the factory issue out of the box?
It’s hard to say because I don’t have the amount of data to give an accurate estimate. CZ would be the only ones able to give an accurate assessment. Mine for example, my drop safety did not work out of the box as a result of poor machining tolerances. So it had to be replaced. But even after replacement, after shooting a lot of ammo, it started to peen into the path of the firing pin block and prevented it from functioning. Ultimately, You would need to check yours periodically to verify function.
@@theuncouthtruth9551 how has the Nexus been holding up? Still solid?
@@markguzman7708 works great 👍🏻 as it should. No wear like the oem on the belly
@@theuncouthtruth9551Just curious, do you use a binary or upgraded trigger? Are both 124 Grain and 147 Grain considered hot loads for the Scorpion?
Just ordered one, want to ensure I take good care of it.
@@cbbees1468 I used to use a binary but ultimately got rid of it because it kept having problems with the selector switch sticking. It got kind of annoying so I got rid of it. I thought Vines’s a cool concept at first but the novelty wore off and I just wanted a better functional trigger. I now use the mil spec trigger with HB springs. When I use the term “hot” referring to ammunition, I’m talking about chamber pressure being well above SAMMI spec. The grain of the round is referring to the weight of the projectile.