Definition of cavalry for English Language Learners. : the part of an army that in the past had soldiers who rode horses and that now has soldiers who ride in vehicles or helicopters.
There are two listed differences between the Badger 5 and Badger 500: 5 has 6.3 amps and a 1yr parts & labor warranty; 100 has 6.9 amps and a 2yr parts & labor warranty. Badger 1, 5, 100 and 500 all specify galvanized steel construction (the outside of each appears to be plastic).
The Model 535, new for 2005, is similar to the Model 500, but with a lengthened receiver that can fire 3.5-inch (89 mm) shells, in addition to 2.75-inch (70 mm) and 3-inch (76 mm) shells. The 535 is a less expensive alternative to the Mossberg 835 Ulti-Mag, but the 535 lacks the 835's overbored barrel.