I was just at the range Wednesday and my BT 380 was flawless. However, because I've read so much about the disconnector spring I thought I'd take a look while cleaning it.
When I removed the grips I was surprised to find the spring had come out of the groove and was resting on the crowned part of the disconnector. I suspect the grip was sort of holding it there (I have the rubber grips). It makes me very nervous to know that the spring could come out and the gun would still work (at least for a while).
My BT 380 was purchased in 2007 but manufactured in October 2005. I'm curious if there has been a production change since mine was made so I ordered a replacement disconnector from Eagle Imports. I'll let you guys know if it's any different. Of course, I might get a 3-year old part too but for $9.00 it's worth a try.
Bersa Thunder 380 DuoTone
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Combat Engineers - "Doin' it in the dirt!"