Scorpion EVO firing pin block defeated

[Earl Keese]

More truth.^^😀

[rcbif]

I have 5 PCC's without FP blocks with thousands of rounds thru them - Its a miracle I'm still alive today 

[kyron4]

I was unaware of "all the recent cases" of OOB reports. Seems the EVO is a quite proven weapon both military and civilian. My question would be what is causing the bolt to be out of battery in the first place ?

[WaltherP99]

I was unaware of "all the recent cases" of OOB reports. Seems the EVO is a quite proven weapon both military and civilian. My question would be what is causing the bolt to be out of battery in the first place ?

I agree...I was unaware myself. I'd like to see some of these accounts though. I'm willing to bet they were caused by freedom ammo rather then OOB firing...

[SouthernScorp]

that freedom crap with the ring in the middle of the case?

[wyoung]

We didn't set out to be YouTube heros or something. We're both part of a group where a few pictures of these damaged guns started appearing. The owners stated they were older guns and they had been using factory ammo. One cartridge looked like it was about half chambered when it detonated.

When I called CZ to ask about the damaged guns, like I said, the rep. stated they hadn't received any for repair but had seen the pictures and assumed they were due to over pressured ammo or reloads. I asked if they had seen any demonstrations of out of battery discharges like in the video and the rep. stated they hadn't. He assured me that couldn't happen due to the firing pin block which should ensure a fully closed chamber on detonation. I assured him that it was able to be reproduced so I guess we would have to agree to disagree.

He also recommended that the recoil spring be replaced between 10k rounds and 20k max. That's something not widely know to the public. I don't know if a weak spring would only lead to cycling issues or could have such an effect as bolt bounce which could lead to OOB detonation during extremely rapid fire.

Also a couple of reloaders mentioned that due to their ogive, some heavy bullets loaded to mag length have the potential to stick in the bore. They took a reamer to lengthen the throat to fix that issue. It's possible if the bullet struck the bore it could've set back and caused over pressure.

People began mentioning bump fire may have been the cause of the damages. I had heard of AR and AK bump fire but didn't know that a bump fire mechanism for the Scorpion had been released yet. The owners of the damaged guns I saw denied they had bump fired them.

CZ released a statement that people had admitted to bump firing and denied shooting any reloads but CZ determined there had been some reloads fired in some of the damaged guns.

So while I'm not 100% convinced of the CZ rep's statement regarding the firing pin block, I do feel a little better if it's true most of the damaged weapons can be attributed to misuse or over pressured ammo. I've also seen other guns that have exploded when mud or a squib obstructed the barrel.

[WaltherP99]

that freedom crap with the ring in the middle of the case?

If it's the same crap that's been blowing up people's guns for a while now then yep...thats it! 

[Kenneth]

I would be very upset if my Scorpion blew apart like that. My 12 month wait was long enough for my stamp.

I reload all my own ammo though and use 147's through a suppressor. No issues at all yet and I shoot it as fast I can pull the 12lb trigger lol.


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[wyoung]

Can we get a photo of the headstamp on the ruptured case please?

That's the only photo the guy posted AFAIK.

[Asmodeus]

that freedom crap with the ring in the middle of the case?

I have a case of their 9mm, new prod, from probably 3-4 years ago.  I know recently they went downhill dramatically.  I never had any issues with the stuff I had.  Is their a time frame when we can narrow down when they changed from ammo production to bomb making?

[Asmodeus]

AMMOLOAD is the headstamp

Certain those are what I have.  I had no issues and I think the case that's left was from when they were basically a new outfit and before prices and shipping times got all retarded. 

That said, since I stashed that away, I've dumped a ton of money into a few guns themselves.  I'm not trying to blow up a $600 slide, or much worse the evo I have double that in. 

Blah...     

[wyoung]

I believe this is the head stamp of the case above in the Scorpion. I can't make it out though.



ETA:
No the one several posts above the owner stated it was a Federal 124gr cartridge and he had done a three round burst when this happened.

The owner of this photo hasn't let me know what the head stamp is.

[st381183]

There are so many Ammo manufacturer and hand loader horror stories out there it's hard to tell what is truth and what is lore, even with pics. I've used Freedom Munitions 9mm 147s for many thousands of rounds without issue or hiccups. If you look at the exploded case in the photo it looks like a Glock mag in the background and you cant read the headstamp, so who knows.  A third or fourth hand story is not proof of anything and just because someone told a story in a forum doesn't mean the story is true or even an accurate account of events.

I for one had never heard of any EVO issues prior to this thread so I'm not going to sweat balls over it. If my gun explodes then I will contact the appropriate companies and see if I can get compensated for my loss of equipment, if I'm injured due to faulty manufacturing or design flaws I will seek an attorney who specializes in these things and see if I have a case.  Most likely I will be S.O.L.

The bottom line is that shooting guns is a risky hobby and sometimes bad things happen to good guns, and you may end up losing some money on a damaged gun or component because shooting is risky and liability is hard to pin down on a manufacturer.  I think if CZ knew there was a problem they would mount a recall.  Look at what they are doing to make amends for the world trigger / welded trigger pack screw issue that pissed us Americans off. 

[SouthernScorp]

I've been reloading since I was 15 and have had far less trouble with reloaded ammo than with factory. There were a few "minor mistakes" over the years somehow once or twice "probably more" might have fully crimped and seated and forgot to put in the gun powder  No double charges since I usually use the slowest powder I can so it pretty much fills up the cases

[Asmodeus]

A third or fourth hand story is not proof of anything and just because someone told a story in a forum doesn't mean the story is true or even an accurate account of events.

John A said he had problems with the Freedom cases himself.  That's first hand.  Granted it's the internet, but in any of our discussions he has never struck me as a whiner baby or a fool.  My personal experience was without issue, but if you do any reading on Freedom now, it's all horrible horrible stuff.  Which is why I was wondering if there was a time period in which things changed, as I haven't bought anything from them in years, but I'm still sitting on 800-1000 rounds of it. 

I understand your underlying point.  But Freedom is a known quantity at this point.  A little research recently turned that up for me and had me looking in a different direction for heavy 9mm.