It's been a hell of a long time since I've seen that kit but, if I recall you get
1 Bike, including rider.
1 Metal Torso, including head and right arm with power lance.
1 metal shield (The bit with bolters)
1 gubbinz. This is to go on the back of the bike, it has his helmet and some pouches I think.
I can't remember if that shield/buckler is separate. I think it is but can't be 100% sure. I've no idea if it is still metal either, it might be finecast now.
When it comes to Marines I find it's better to kit bash your own characters. For one, they're usually cheaper. Two, they look unique and are usually cooler looking than the one GW knocks out. If you're after a Bike Captain just convert one out of a normal biker with the gear you want. There's enough marine kits out their with fancy armour/heads/weapons/cloaks.
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