| Brotherhood Outcast | 540 |
| Break Down | 602 |
| Break Down (14 variants) | 74 |
| Brass Knuckles | 755 |
| Brass Knuckles (14 variants) | 227 |
| Branching Evolution | 996 |
| Branching Evolution | 723 |
| Branching Evolution (6 variants) | 468 |
| Branching Evolution (14 variants) | 195 |
| Bottle-Cap Blast (14 variants) | 55 |
| Bottle-Cap Blast | 583 |
| Boomer Scrapper | 936 |
| Boomer Scrapper | 623 |
| Boomer Scrapper (14 variants) | 95 |
| Boomer Scrapper (6 variants) | 408 |
| Bloodforged Battle-Axe | 754 |
| Bloodforged Battle-Axe (14 variants) | 226 |
| Bloodforged Battle-Axe | 1009 |
| Bloodforged Battle-Axe (6 variants) | 481 |
| Bloatfly Swarm | 570 |
| Bloatfly Swarm (14 variants) | 42 |
| Blasphemous Act (6 variants) | 465 |
| Blasphemous Act (14 variants) | 188 |
| Blasphemous Act | 993 |
| Blasphemous Act | 716 |
| Black Market | 711 |
| Black Market (14 variants) | 183 |
| Black Market | 991 |
| Black Market (6 variants) | 463 |
| Biomass Mutation (6 variants) | 475 |
| Biomass Mutation | 1003 |
| Biomass Mutation (14 variants) | 212 |
| Biomass Mutation | 740 |
| Bighorner Rancher (14 variants) | 73 |
| Bighorner Rancher | 601 |
| Behemoth Sledge | 739 |
| Behemoth Sledge (14 variants) | 211 |
| Behemoth of Vault 0 (14 variants) | 127 |
| Behemoth of Vault 0 | 655 |
| Battle of Hoover Dam (6 variants) | 364 |
| Battle of Hoover Dam (14 variants) | 11 |
| Battle of Hoover Dam | 539 |
| Battle of Hoover Dam | 892 |
| Bastion of Remembrance (14 variants) | 182 |
| Bastion of Remembrance | 710 |
| Basilisk Collar (6 variants) | 480 |
| Basilisk Collar | 753 |
| Basilisk Collar (14 variants) | 225 |
| Basilisk Collar | 1008 |
| Ayula, Queen Among Bears | 876 |