Peter O wrote:I agree with David M - I was seeing the same thing when my SP1 misfired - I believe the light strikes are caused by the firing pin inertia.
When I disassembled mine yesterday, I was expecting the hammer / sear assemble to be dirty.
What I found was a misaligned shock buffer. There is a nylon piece at the rear (just above the electronics) that cushions the slide's reward travel. It is a circular disk, with one side trimmed flat, and a plug to support the disk. The flat portion "should" align with the frame, directly above the sear. Mine was rotated about 30 degrees, so one side was poking down and preventing the solenoid from raising the sear sufficiently to release the hammer. When I removed it, it was seated pretty tightly, so I'm not sure if it was originally installed incorrectly, or if it rotated through use. I guess it must have moved a bit, as there were no misfires at first, then there was the odd one that a second trigger pull would fire, and then it pretty much stopped working. BTW, it is an annoying piece to reinstall. In either case, it will be worth keeping an eye on it to see if it moves in the future.
Good luck with yours...
Peter
Thanks, for the heads up on that one, I will keep an eye on that one.
Well just for the record, the ammo I was unis was pistol king.
In frustration and trying to find a problem I striped the gun , the magazines, cleaned everything, but found nothing. a few days later I took in down the club and put 300 rounds through it trying to repeat the fault with no success.
Today I shot a match faultlessly gun wise ;)
I am going to put it down to Murphy for the time being. but is suspect that my reassembly had something to do with it.
Julian