AR180B Bolt Carrier group

you are not wrong!

I am thinking that a replacement of the ejector and extractor spring is start. Anyone know if these are the same as the AR15, or another variant?
 
Would any of the parts from the current 180 clones work?

I'm pretty sure the extractor is the same as AR15. I have a stripped carrier (maybe a bolt as well) but it would take a lot for me to part with it.
 
Bump. Someone on here is selling a SBI upper and lower and I'm interested in how feasible it is to build a AR180 from scratch using those as a foundation.

*edit - Never mind. Found a more relevant thread for this.
 
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