| Mechanist's Outfit | 0.1 | 0 | | Costumes |
| Medical Rescue Dress | 0.1 | 0 | | Costumes |
| Medical Rescue Mask | 0.1 | 0 | | CostumesHatsMasks |
| Medical Rescue Pants | 0.1 | 0 | | Costumes |
| Medical Scrubs | 0.1 | 0 | | Costumes |
| Medical Scrubs | 0.1 | 0 | | Costumes |
| Medical Scrubs Cap | 0.1 | 0 | | CostumesHats |
| Medical Scrubs Cap | 0.1 | 0 | | CostumesHats |
| Medical Smile Mask | 0.1 | 0 | | CostumesMasks |
| Merc Charmer Blouse Outfit | 0.1 | 114 | | Costumes |
| Merc Charmer Helmet | 0.1 | 0 | | Costumes |
| Merc Charmer Helmet (Hooded) | 0.1 | 0 | | Costumes |
| Merc Charmer Outfit | 0.1 | 114 | | Costumes |
| Metal Mothman Mask | 0.1 | 0 | | CostumesHatsMasks |
| Metal Mothman Mask | 0.1 | 0 | | CostumesHatsMasks |
| Mistress Sidekick Costume | 0.1 | 0 | | Costumes |
| Mistress Sidekick Mask | 0.1 | 0 | | CostumesMasks |
| Mistress Sidekick Underarmor | 0.5 | 0 | | Costumes |
| Monocle | 0.1 | 0 | | Costumes |
| Monster Mask | 0 | 0 | | CostumesMasks |
| Monster Mask | 0 | 0 | | CostumesMasks |
| Mothman Hunter Outfit | 0.1 | 65 | | Costumes |
| Mountain Scout Goggles | 0.1 | 0 | | Costumes |
| Mountain Scout Uniform | 0.1 | 0 | | Costumes |
| Mountain Scout Uniform | 0.1 | 0 | | Costumes |
| Mountaineer Suit | 0.1 | 0 | | Costumes |
| Mr. Claus' Beard | 0.1 | 0 | | Costumes |
| Mr. Claus' Beard | 0.1 | 0 | | Costumes |
| Mr. Claus' Hat | 0.1 | 0 | | CostumesHats |
| Mr. Claus' Hat | 0.1 | 0 | | CostumesHats |
| Mr. Claus' Suit | 0.1 | 0 | | Costumes |
| Mr. Claus' Suit | 0.1 | 0 | | Costumes |
| Mr. Fuzzy Mascot Head | 0.1 | 125 | | Costumes |
| Mr. Fuzzy Mascot Suit (Clean) | 0.1 | 200 | | Costumes |
| Mr. Vault Boy Mascot Head | 0.1 | 0 | | CostumesHats |
| Mr. Vault Boy Outfit | 0.1 | 0 | | Costumes |
| Mrs. Claus' Bonnet | 0.1 | 0 | | CostumesHats |
| Mrs. Claus' Bonnet | 0.1 | 0 | | CostumesHats |
| Mrs. Claus' Dress | 0.1 | 0 | | Costumes |
| Mrs. Claus' Dress | 0.1 | 0 | | Costumes |
| Mummy Costume | 0.1 | 0 | | Costumes |
| Mummy Costume | 0.1 | 0 | | Costumes |
| Mummy Mask | 0.1 | 0 | | CostumesMasks |
| Mummy Mask | 0.1 | 0 | | CostumesMasks |
| Mummy Underarmor | 0.5 | 0 | | Costumes |
| Muni Outfit | 0.1 | 65 | | Costumes |
| NCR Trooper Outfit | 0.1 | 0 | | Costumes |
| Nosey Glasses | 0.1 | 0 | | Costumes |
| NPC Cryptid Hunter Outfit | 0.1 | 25 | | Costumes |
| Nuka-Girl Helmet | 0.1 | 0 | | CostumesHats |