 | | F41A | Subclass index | KINDS OF PROPULSION | 1/00 | BREECH MECHANISMS | 3/00 | UNLOCKING MECHANISMS | 5/00 | GUN RECHARGERS, EXTERNALLY POWERED GUNS | 7/00 | FEEDING OR LOADING, MAGAZINES | 9/00 | ASSEMBLY FEATURES, MODULAR CONCEPTS, ARTICULATED OR COLLAPSIBLE GUNS | 11/00 | COOLING, HEATING, VENTILATING, BLOWING TROUGH | 13/00 | EXTRACTORS, EJECTORS | 15/00 | SAFETY ARRANGEMENTS | 17/00 | FIRING OR TRIGGER MECHANISMS, COCKING | 19/00 | BARRELS, GUN TUBES, MUZZLE ATTACHMENTS | 21/00 | GUN MOUNTINGS, e.g. on vehicles | 23/00 | Permitting recoil | 25/00 | Permitting elevation or traversing | 27/00 | CLEANING OR LUBRICATING | 29/00 | TESTING | 31/00 | ADAPTATIONS FOR TRAINING | 33/00 | OTHER ACCESSORIES OR DETAILS | 35/00 |
|
|
|   |