No, you can only use .38 caliber rounds.
No, there are .357 caliber bullets that are not magnum, but they are in the minority.
Which .50 cal, and do you mean .357 Magnum? If you're comparing the .50 AE to the .357 Magnum, the .50 AE is more powerful, by far.
100-400 or so
Yes, you can fire a .357 Sig round (not a .357 Magnum) in it, but you must first change out the .40 barrel for the .357 barrel.
The Desert Eagle comes in the following calibres: .50 Action Express .44 Magnum .357 Magnum .440 Cor-bon .41 Magnum .357/44 Bains and Davis (Israeli Prototype only)
There are a dozen different cartridges with 38 in their name, and SOME are compatible with the .357 Magnum. A .357 will fire .38 Special, .38 Short Colt, .38 Long Colt- but NOT .38 S&W.
100-300 USD
The Winchester model 1892 rifle in .357 cal. which was started in 2011 will hold 10 rounds of .357 mag.The earlier version made in 1997-1998 should hold the same amount.
A .44 cal round or a .50 cal round shot at the right place will take down a full grown elephant
buy a pistol cleaning kit that matches the correct cal.
The Model 29 is a 44 Magnum.
Yes and no. The. 40 S&W is not interchangeable with the .357 Magnum, if that's what you had in mind. Most .357 Sig pistols can, however, but a .40 barrel will have to be dropped in in place of the .357 Sig barrel.