| Term | Translation | Definition |
| back holster | | ... |
| ball cartridge | Kugelpatrone | ... |
| ballistic fingerprints | | ... |
| ballistic trauma | | ... |
| ballistic vest, bulletproof vest, body armor | | ... |
| ballistics | Ballistik | ... |
| barrel | Lauf
| The metal tube through which a projectile or shot charge is fired. May be rifled or smooth... |
| barrel adapter, conversion adapter, caliber conversion sleeve, sub-calibre unit | | ... |
| barrel bracket | Rückholfederhalter | ... |
| barrel burst | | ... |
| barrel wall thickness | | ... |
| base line, lever base of trajectory, horizontal plane | Mündungswaagerechte | ... |
| base wad | Bodenpropfen | ... |
| bayonet | | ... |
| beavertail | | ... |
| belly band | | ... |
| belt ammo carrier, cartridge belt, bandoleer | | ... |
| belt holster | | ... |
| berdan primer | | ... |
| big game | | ... |
| binoculars, field glasses | | ... |
| biogival bullet | biogival Geschoss
| Front of the bullet is shaped in the form of an ogive... |
| black powder | | It is a mixture of pottasium nitrate, charcoal and sulfur. Black powder was widely used until the second half of the 19th century, and then replaced...... |
| blade | Klinge
| The part of the tool or weapon with an edge designed to cut, stab etc.... |
| blank | | ... |
| bluing | | ... |
| bolt handle | Kammergriff, Kammerstengel, Verschlussgriff | ... |
| bore | | ... |
| bore brush, chamber brush | | ... |
| bottleneck case | flaschenförmige Hülse, gekröpfte Hülse | ... |
| box magazine | Kastenmagazin | ... |
| boxer primer | | ... |
| brass base | Bodenkappe | ... |
| break-open, break action (gun) | | ... |
| breech block | | ... |
| breech block carrier | | ... |
| breech lock | | ... |
| breech-loader | | ... |
| buckshot | | ... |
| bulge, pressure ring | | ... |
| bullet | | ... |
| bullet jacket | Geschossmantel
| ... |
| bullpup | | Is a firearm with its action and magazine located behind the trigger group, in its buttstock. For example rifles Steyr AUG, FAMAS.... |
| burst, crack, split | | ... |
| butt cap | Kolbenboden | ... |
| buttplate | Kolbenkappe, Schaftkappe
| A plate made of stell or hardrubber, that is fitted to the end of the buttstock to protect it... |
| buttplate screw holes | Öffnung für Griffschalenschraube
| ... |
| buttstock | Kolben, Schaft | ... |
| buttstock cartridge holder | | ... |
