930 questions

[fnfal88]

I have a 930 that has a GG&G +2 mag extension and I installed Nordics spring. I took it to the range to test the spring and kept having failure of the next round feeding to the ramp from the tube. I started the spring length at 14"and ended up cutting down to 10". When I got to 10" it ran the 30 rounds I had left great. This is shorter than what Nordic recommended. Does anyone else run this length? Is this ok? I have already did the brownells polishing prior. I also had a failure to fire and was reading other people installed a Wolff 10/22 extra power spring. Anyone do this with god results? Did you have to trim the spring?
Thanks, Charles

 

[Water Monkey]

it seems each firearm is a bit different. I'd keep it at 10" if it's working out for you.

 

[LAZY EYED SNIPER]

^ This...