Another follow instruction on new parts.

[Joeyxbat]

Few months ago i went on my 4th USPA match, my turn to shoot. 1st round went off 2nd round nothing, tapped and racked nothing again changed the mag and still nothing. The RO saw piece of metal fell on the ground and pick it up and it was the extended firing pin on my sp01 it fell off! Came to find out, I installed the firing pin retainer pin from cagun gun work facing the wrong way. According to CGW:

"Always install the open end of the spring pin in the 12 0'clock position/facing the top of the slide"

I installed mine at 9 o'clock position and part on it got eaten by the retainer.