Was looking at importing a CMMG DISSENT BR4 but its looking like DOA ..... to bad .
As its " Compatible with all DISSENT Mk4 Upper Groups" ....
guess back to looking at HK SL8 .... !
https://cmmg.com/rifle-dissent-br4-6mm-arc-16-1
As its " Compatible with all DISSENT Mk4 Upper Groups" ....

https://cmmg.com/rifle-dissent-br4-6mm-arc-16-1