Well thats one way of sending chocolates using the Type 89(?)'s rifle nade.

http://en.wikipedia.org/wiki/Type_06_rifle_grenade (didn't see a tag for it)

Better hope that grenade is a dud or there will be blood mixed in with the chocolate.

If there is any left

However this is the perfect to send gifts to your enemies or ex-s.

10-rounds magazine? who uses 10-rounds magazine?

20-round.