Hey guys!
I just come to share with you a few cool 3D printed weapons that were uploaded on www.MyMiniFactory.com to celebrate the launch of the Halo MCC (you might have seen it on Reddit before as it was there a couple days ago):
a Magnum:
http://myminifactory.com/object/m6-personal-defense-weapon-system-1946
the type 51 Carbine:
the energy Sword:
Of course every model is downloadable for free on www.myminifactory.com and any suggestion/feedback is welcome 
Enjoy!
edit: i messed up with the edit function to change the title and created a new topic instead; please delete this one ._.