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Author Topic: SP01 Decocker Only Works Outside of Pistol  (Read 1291 times)

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Offline ArkieCZ

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SP01 Decocker Only Works Outside of Pistol
« on: November 30, 2020, 09:43:49 PM »
New guy here.  Don't beat me up too bad. 

I have an SP01 Tactical decocker model. I just installed a CGW hammer and MCarbo springs throughout.  I'm now having an issue with the function of the decocker.  The decocker seems to function perfectly when outside of the gun, but as soon as it's reinstalled, the decocker arm moves but has no effect on the sear.  The videos below show the decocker working outside of the pistol and then failing to work in the pistol.  Any idea what's going on here?

Can anyone tell from the videos and pictures below if I messed something up when reassembling the sear cage?

https://youtu.be/VQPYDyDFSRo

https://youtu.be/h-EwL858dqk



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Offline Tok36

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Re: SP01 Decocker Only Works Outside of Pistol
« Reply #1 on: November 30, 2020, 10:06:52 PM »
My first guess is that you are not applying sufficient force on the decococking lever. They can fool you into thinking that they are not working due to the force required to actuate them.
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Offline gtcooper

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Re: SP01 Decocker Only Works Outside of Pistol
« Reply #2 on: November 30, 2020, 10:23:33 PM »
It looks like the leg on your decocker spring is in the wrong place. Should be behind the sear and decocker leg. Looks like you have it between them.

Sent from my SM-N960U using Tapatalk

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Offline gtcooper

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Re: SP01 Decocker Only Works Outside of Pistol
« Reply #3 on: November 30, 2020, 10:27:29 PM »
Looked at the video closer. Seems the spring leg is in the right place. I have no idea then. Nothing against mcarbo, but I would have used the cgw springs also.

Sent from my SM-N960U using Tapatalk

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Offline tdogg

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Re: SP01 Decocker Only Works Outside of Pistol
« Reply #4 on: December 02, 2020, 12:13:26 AM »
Arkie,

It looks like the decocker spring is not sitting straight.  Is that a replacement or the OEM spring?  I'm guessing it isn't installed properly but it is hard to tell and your video's and pictures are great.

Also in order to test the decocker you need the mainspring installed or at minimum apply pressure on the hammer toward the sear.

Here is my crappy video on how to assemble the sear cage.  Maybe there is a nugget in there that will help identify something your doing differently?

https://youtu.be/qDKoDM6Rqac

Cheers,
Toby
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Offline Lock-n-load

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Re: SP01 Decocker Only Works Outside of Pistol
« Reply #5 on: December 02, 2020, 07:33:09 PM »
Put the stock sear spring back in.
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Offline ArkieCZ

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Re: SP01 Decocker Only Works Outside of Pistol
« Reply #6 on: December 03, 2020, 09:31:33 AM »
Quote from: gtcooper on November 30, 2020, 10:27:29 PM
Looked at the video closer. Seems the spring leg is in the right place. I have no idea then. Nothing against mcarbo, but I would have used the cgw springs also.

Sent from my SM-N960U using Tapatalk

Quote from: Lock-n-load on December 02, 2020, 07:33:09 PM
Put the stock sear spring back in.

We seem to have a winner.  I put the stock sear spring back in last night and magically the decocker works again.  With the slightly larger diameter wire factory sear spring in place, it seems to force the decocker spring into a more natural position. 

I'd like to play with more combinations, for science, but I have no desire to reassemble this sear cage even one more time.
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