by airsoftguy on Fri Nov 06, 2009 10:05 pm
I had swapped the stock spring from my p90 with a M90 spring and installed the original spring from the p90 into my MP5 Master series. The problem is that the MP5 wont fire it will just make noise from the motor. Can anyone help?
Free body piercing, anywhere any size, if you stand in front of my iron sights.