The most recent offerings from Sig Sauer under these part numbers do have the Loaded Chamber Indicator cut out which means it will NOT work for your application if you need one without the cut out.
Sig Sauer BARREL, P250/P320, 9MM, FULL SIZE BBL-MOD-F-9 , MPN: BBL-MOD-F-9
Sig Sauer BARREL, 250, 320, 9MM, COMPACT BBL-MOD-C-9 , MPN: BBL-MOD-C-9
Sig Sauer BARREL, 250, 320, 9MM, SUBCOMPACT BBL-MOD-SC-9 , MPN: BBL-MOD-SC-9