Reloading the default NSO carbine (CB-100) with an empty clip, I noticed it had some unique (and damn good crisp) reload sounds. When reloading it partially, or reloading any other NSO carbine (CB-75 and CB-200), a generic reload sound is used instead. That unique reload sound is really good in my opinion (props to your sound design lad). I would appreciate if it were present in all NSO carbine reloads, as I presume was intended.