What we have here is the 12.7 mm for the pistol and SMG, 20 gauge shotgun shell, and the .45-70 Gov't for revolvers.
Fallout: New Vegas Papercraft - Ammunition Boxes [Download]
Liberty Prime Mask Papercraft [Related Posts]
Charisma Bobblehead Papercraft
Megaton Bomb Papercraft
Nuka Cola Papercraft
Speech Bobblehead Papercraft