spring

Hello gents. I am hoping one of you can provide some insight on the pistol I just took apart to lubricate, to which was unfortunate-enough to have what looks alike to the trigger-spring fly out when I took off the slide. I will be as detailed as possible to avoid anyone having to play guessing...

Having trouble finding a detailed parts schematic for this rifle. This rifle fired flawlessly the first time out, cleaned it and put it away. Yesterday went out to shoot and the rifle would not fire at all marking the primer only slightly. Took it apart in the field and found the firing pin free...