1 battle company (100 marines)
Command squad (5)
Terminators (50)
Assault marines (30)
Marines (86)
Bikers (10)
Land Speeder crew (10)
Honour guard (5)
Characters (6)
Scouts (14)
Which actually comes to 316, not 300, but shh. Another 184 to go until I unlock the thunderhawk from Forgeworld reward for myself :P