This needs a drop.

Classified ads at time of posting:

http://backpack.tf/classifieds/?item=Festive%20Minigun&quality=11&tradable=1&craftable=1

3*14 keys (2 has killstreak and parts)

8*15 keys (5 has specialized killstreak and parts)

Unsolds at 15 keys:

http://www.tf2outpost.com/trade/25254046 (Has killstreak and a spell, 1 week)

http://www.tf2outpost.com/trade/25335887 (Has 2, one is killstreak and another is specialized killstreak, both have parts, 4 days)

http://www.tf2outpost.com/trade/25354802 (Has specialized killstreak, 2 days)

http://www.tf2outpost.com/trade/25257778 (1 week)

http://www.tf2outpost.com/trade/24754678 (Has specialized killstreak, 1 month)

http://www.tf2outpost.com/trade/25295820 (1 week)

Unsold at 14 keys and 14 refined:

http://www.tf2outpost.com/trade/25320682 (6 days)

Unsold at 14 keys and 8 refined:

http://www.tf2outpost.com/trade/25187391 (Has a part, 2 weeks)

Sellers at 14 keys:

http://www.tf2outpost.com/trade/25368537 (1 day old, has killstreak and parts)

http://www.tf2outpost.com/trade/25371590 (1 day old, has killstreak, spell and a part)

http://www.tf2outpost.com/trade/25387917 (Young, has parts)

http://www.tf2outpost.com/trade/25242869 (2 weeks old, has a part and killstreak)

http://www.tf2outpost.com/trade/25384054 (Young)

This is all I could find on Outpost that are valid