The P229 pistol is made in 3 different calibers- one of which is the 9mm Parabellum, also known as 9mm Luger.
Yes
The .380 is a 9mm bullet. But, going with the assuming that you're comparing the .380 ACP (9x17mm) against the 9mm Luger/9mm Parabellum (9x19mm), the answer would be no.
A single 9mm bullet is about 3-6 cents. A 9mm Parabellum (Luger) CARTRIDGE is about .30-.55.
Generally speaking, the .45 caliber bullet is larger in diameter and heavier than a 9mm bullet.
There are SEVERAL 9mm cartridges- the most common is probably the 9mm Parabellum (9mm Luger). A 9mm Parabellum BULLET (not cartridge) is typically slightly smaller than a .38 Special bullet- .356 instead of .357. The 9mm is frequently (not always) lighter- and shorter. Other 9mm cartridges (such as the 9mm Makarov) will have different bullets.
She usually uses the Sig P229 but in some occasions is carrying the P228 or P239
No
380 and 9mm ammunition IS NOT INTERCHANGEABLE.
No, the bullet will not seat.
The 9mm round in loaded with a bullet diameter of .356"in.
The .22 bullet is smaller than the 9mm in size, (about 6mm) and is lighter in weight.
any weapon that can fire the 9mm cartridge................