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Striker fired pistol? #4442907
06/27/17 03:13 PM
06/27/17 03:13 PM
Joined: Feb 2008
Posts: 1,058
MA.
Camprunner Offline OP
Camprunner  Offline OP
Joined: Feb 2008
Posts: 1,058
MA.
On a striker fired pistol like Glock, S&W M&P, Ruger SR, H&K, XD etc -etc... When the gun is loaded with a round in the chamber is there a firing pin block safety so there is no way the firing pin could contact the bullet primer without trigger pull?

Re: Striker fired pistol? [Re: Camprunner] #4442914
06/27/17 03:23 PM
06/27/17 03:23 PM
Joined: Oct 2007
Posts: 577
TN
TTK Offline
TTK  Offline
Joined: Oct 2007
Posts: 577
TN
Yes.


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Re: Striker fired pistol? [Re: Camprunner] #4442922
06/27/17 03:29 PM
06/27/17 03:29 PM
Joined: Dec 2006
Posts: 4,219
Port Orange, Florida
Panzerman Offline
Panzerman  Offline
Joined: Dec 2006
Posts: 4,219
Port Orange, Florida
The Glock has a worm drive type firing pin. When you pull the trigger it drives the pin back until it get the end of the worm spin and fires. It's interesting. I bought a Glock way back before they were cool.
I can't speak for the rest but would bet they are on the same design due to the long trigger pull they have.

Last edited by Panzerman; 06/27/17 03:30 PM.


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Re: Striker fired pistol? [Re: Camprunner] #4442924
06/27/17 03:29 PM
06/27/17 03:29 PM
Joined: Mar 2017
Posts: 92
Philadelphia PA
SKVenture Offline
SKVenture  Offline
Joined: Mar 2017
Posts: 92
Philadelphia PA
Originally Posted By: Camprunner
On a striker fired pistol like Glock, S&W M&P, Ruger SR, H&K, XD etc -etc... When the gun is loaded with a round in the chamber is there a firing pin block safety so there is no way the firing pin could contact the bullet primer without trigger pull?


That is absolutely correct.

In most striker fired pistols, Glock for example, the firing pin is also not "primed" or pulled back with tension under a spring until the trigger is pulled.

So the firing pin has zero tension and it is completely blocked off by metal from the primer until the trigger is pulled.

It literally can't fire without the trigger being pulled.

Re: Striker fired pistol? [Re: SKVenture] #4443029
06/27/17 05:58 PM
06/27/17 05:58 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: SKVenture


That is absolutely correct.

In most striker fired pistols, Glock for example, the firing pin is also not "primed" or pulled back with tension under a spring until the trigger is pulled.

So the firing pin has zero tension and it is completely blocked off by metal from the primer until the trigger is pulled.

It literally can't fire without the trigger being pulled.


A VERY innovative design, and REALLY set the trend for how new pistols are made & sold.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Striker fired pistol? [Re: Camprunner] #4443184
06/27/17 08:52 PM
06/27/17 08:52 PM
Joined: May 2003
Posts: 9,333
Central Coast, Calif.
tom slick Offline
tom slick  Offline
Joined: May 2003
Posts: 9,333
Central Coast, Calif.
A Glock's firing pin is under tension when it's in battery but the spring isn't fully compressed. As the trigger is pulled the firing pin block is moved out of the way as the firing pin and the firing pin is pressed rearward until the sear releases.
The S&W M&P functions the same.


You get what you pay for...
So keep in mind how much you paid for this advice.
Re: Striker fired pistol? [Re: Panzerman] #4443310
06/27/17 11:24 PM
06/27/17 11:24 PM
Joined: Oct 2010
Posts: 930
South Eastern, CT
AMC Offline
AMC  Offline
Joined: Oct 2010
Posts: 930
South Eastern, CT
Originally Posted By: Panzerman
The Glock has a worm drive type firing pin. When you pull the trigger it drives the pin back until it get the end of the worm spin and fires. It's interesting. I bought a Glock way back before they were cool.
I can't speak for the rest but would bet they are on the same design due to the long trigger pull they have.


duh

Not sure where you got that info but it is completely wrong.

The glock striker is driven backwards against spring pressure until the sear plate is cammed downward, causing the sear the lose its grip on the edge of striker, releasing it, which allows the striker to slam into the primer under power of the striker spring. There is no turning, spinning or twisting of anything involved.


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Re: Striker fired pistol? [Re: Camprunner] #4443931
06/28/17 01:52 PM
06/28/17 01:52 PM
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
901Memphis Offline
901Memphis  Offline
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
It's pretty simple, there a striker block (#2 in the picture) between the firing pin and the primer and it's moved up and out of the way when the trigger is pressed by the top of the trigger bar. The trigger bar won't move unless the trigger safety is engaged (#3 in the image).

The Takeup slack in a the striker fired guns is the striker block being pushed up and out of the way before you hit the wall, which is often why people complain about striker fired triggers.




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Re: Striker fired pistol? [Re: Camprunner] #4443939
06/28/17 01:57 PM
06/28/17 01:57 PM
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
901Memphis Offline
901Memphis  Offline
Joined: Aug 2010
Posts: 12,903
Northern Kentucky
Skip about 3 minutes if you want to see the striker in action but the whole video is interesting.



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Re: Striker fired pistol? [Re: 901Memphis] #4444177
06/28/17 06:27 PM
06/28/17 06:27 PM
Joined: Jun 2002
Posts: 18,217
Elizabethtown, Pa
Al Offline
Al  Offline
Joined: Jun 2002
Posts: 18,217
Elizabethtown, Pa
Originally Posted By: 901Memphis
Skip about 3 minutes if you want to see the striker in action but the whole video is interesting.


Very cool..thanks to much!!


Re: Striker fired pistol? [Re: Panzerman] #4444510
06/29/17 03:50 AM
06/29/17 03:50 AM
Joined: Apr 2005
Posts: 280
Chadds Ford
Toros Offline
Toros  Offline
Joined: Apr 2005
Posts: 280
Chadds Ford
Originally Posted By: Panzerman
The Glock has a worm drive type firing pin. When you pull the trigger it drives the pin back until it get the end of the worm spin and fires. It's interesting. I bought a Glock way back before they were cool.
I can't speak for the rest but would bet they are on the same design due to the long trigger pull they have.


Just no.

Re: Striker fired pistol? [Re: Camprunner] #4452974
07/08/17 02:06 AM
07/08/17 02:06 AM
Joined: Jul 2017
Posts: 6
California, USA
SouthEndCrusher Offline
SouthEndCrusher  Offline
Joined: Jul 2017
Posts: 6
California, USA
Yes, the Glock pistols do have a firing pin safety. The pistol was designed with three passive safeties: Trigger Safety, Firing Pin Safety and the Drop Safety. All three make up the Glock's "Safe Action System."

Re: Striker fired pistol? [Re: Toros] #4453033
07/08/17 05:30 AM
07/08/17 05:30 AM
Joined: May 2007
Posts: 7,507
Indianapolis, IN
dnewton3 Offline
dnewton3  Offline
Joined: May 2007
Posts: 7,507
Indianapolis, IN
Originally Posted By: Toros
Originally Posted By: Panzerman
The Glock has a worm drive type firing pin. When you pull the trigger it drives the pin back until it get the end of the worm spin and fires. It's interesting. I bought a Glock way back before they were cool.
I can't speak for the rest but would bet they are on the same design due to the long trigger pull they have.


Just no.


I can only hope he was kidding.
Because WOW ...


Or course, it might be similar to the planetary gears in my AR trigger?
grin2

Last edited by dnewton3; 07/08/17 05:32 AM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: Striker fired pistol? [Re: dnewton3] #4453373
07/08/17 12:19 PM
07/08/17 12:19 PM
Joined: Mar 2008
Posts: 5,839
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,839
South Florida
Originally Posted By: dnewton3
Or course, it might be similar to the planetary gears in my AR trigger?


Planetary gears huh? And all this time, I thought they looked more like cog gears with some kind of block and tackle.


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Re: Striker fired pistol? [Re: bubbatime] #4453446
07/08/17 01:51 PM
07/08/17 01:51 PM
Joined: Apr 2017
Posts: 200
Georgia, USA
HouseTiger Offline
HouseTiger  Offline
Joined: Apr 2017
Posts: 200
Georgia, USA
I think he's referring to the new interlocking granistan joint in the disconnector. The only new principle involved is that it's produced by the modial interaction of magneto-reluctance and capacitive duractance. The original disconnect and safety mechanism had a base plate of pre-famulated amulite surmounted by a malleable logarithmic casing in such a way that the two spurving bearings ran in a direct line with the panametric slide.

The line-up consisted simply of six hydrocoptic marzul vanes so fitted to the ambaphascient striker shaft that side fumbling was effectively prevented. The main winding was of the normal lotus-odeltoid type placed in panendurmic semi-bulloid slots of the striker sleeve, every seventh conductor being connected by a non-reversible tremmy pipe to the differential girdle spring on the up-end of the trigger return.

Moreover, whenever fluorescent skor motion for sighting is required, it may also be employed in conjunction with the drawn reciprocation dingle arm, to reduce sinusoidal depleneration.



bop

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