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Old 08-02-2014, 14:18   #1
triggerjerk
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Light Primer Strike with Zev Striker Spring and Fiocchi Ammo

Hi all,

I was shooting my G37 today.
I have installed a minus connector and a Zev light striker spring. I am using a Zev as I tried a Wolff spring and it didn't play well with the trigger safety reset and I have had good luck with Zev in that regard.

However,today I had one light primer strike on a Fiocchi 124gr .357 Sig fmj round. Does Fiocchi use "hard" primers? It happened once out of 200 rounds. I haven't had this issue before with Wolff 4lb springs. The primer was marked with a tiny round dimple in the center, not the typical Glock mark.

Should I go back to a factory striker spring or will an extended tip striker prevent this?

TIA

Last edited by triggerjerk; 08-02-2014 at 14:18..
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Old 08-02-2014, 16:06   #2
Glock234Me
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Yes. Fiocchi ammo is known by having hard primer compared vs Federal or CCI. In my opinion in order for you to have a balance firing system you need the lightweight striker. I had the same issues and once I did that no more issues in my Glocks....
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Old 08-02-2014, 16:23   #3
JBP55
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Either a lightweight firing pin with a 4.0# spring or a 4.5# spring with the OEM firing pin.
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Old 08-02-2014, 16:44   #4
triggerjerk
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Thanks guys!

Any recommendations on a lightened striker? I see there have been some threads
where the stikers have caused issues or galled due to being titanium (not steel with a ti coat).
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Old 08-02-2014, 17:42   #5
JBP55
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Jager if you can find one Glockworx if a Jager is not available.
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Old 08-02-2014, 18:00   #6
Glock234Me
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Quote:
Originally Posted by triggerjerk View Post
Thanks guys!

Any recommendations on a lightened striker? I see there have been some threads
where the stikers have caused issues or galled due to being titanium (not steel with a ti coat).
There are many good ones...Jager, ZEV.
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Old 08-02-2014, 18:49   #7
triggerjerk
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Thanks again. I am really loving the .357 Sig cartridge.
I enjoy shooting it over .40 and .45 . . .
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Old 08-04-2014, 09:18   #8
Ron IL
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I used a 3.5 connector and a striker spring in my G22 and had light strikes. I took out the striker spring and put in the heavy trigger spring and came out with about the same thing without light strikes. It works good. I didn't use the safety spring.
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Old 08-04-2014, 09:57   #9
ron59
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Quote:
Originally Posted by Glock234Me View Post
Yes. Fiocchi ammo is known by having hard primer compared vs Federal or CCI. In my opinion in order for you to have a balance firing system you need the lightweight striker. I had the same issues and once I did that no more issues in my Glocks....
Even CCI primers are harder than Federals.

With a light striker spring, CCI won't detonate reliably, I had close to a 7% failure rate in my reloads with CCI primers and my USPSA gun with Ghost Rocket setup.

Using Federals, I've yet to have a light primer striker issue, and I've shot 30,000+ rounds with that setup.
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Old 08-08-2014, 15:18   #10
triggerjerk
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I just installed a Zev lightweight striker with the extended tip.
I have only dry fired it.
The weird thing is I can now feel the striker spring being compressed as I press the trigger.
Is that normal?

TIA

Last edited by triggerjerk; 08-08-2014 at 15:18..
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