M118 ammunition uses the 175 grain Sierra MatchKing (BTHP).
M118 used the 174 gr military "match" bullet which was FMJ. It was orginally called Match Ammo. Loaded in Which Box. Later it was loaded in Brown boxes and was called Special Ball.
M118LR was then developed, it used the 175 SMK which was open point. Not really considered a hollow point.