Machined and fluted bolt carrier
TiN coated bolt, carrier and slide as well as action bars
Police barrel has FBI XS IND. Low profile iron sights
Polished and honed action.
Machined extractor 
Heavy firing pin spring
Plus power dog follower spring
Over sized safety
Million cycle mag tube spring
No jam type 3 Green follower.
Chamber and bore Honed and polished
Stippled forend 
Ardius Ind QDC detachable shot shell carrier.