Total solar eclipse over Wyoming. Wyoming will be a popular choice for eclipse chasers because of the good weather prospects, Uncrowded highways (outside the Jackson Hole area), and good duration of totality.
The .380 ACP (Automatic Colt Pistol) pistol cartridge is a rimless, straight-walled pistol cartridge developed by firearms designer John Moses Browning. The cartridge headspaces on the mouth of the case.It was introduced in 1908 by Colt, and has been a popular self-defense cartridge ever since.he .380 ACP was designed to be truly rimless, and headspace on the case mouth instead of the rim for better accuracy. These designs were intended for blowback pistols which lacked a barrel locking mechanism.
For other uses, see 9mm (disambiguation) . The 9Ã19mm Parabellum (abbreviated 9mm, 9mmP, 9Ã19mm or 9Ã19) cartridge was designed by Georg Luger and introduced in 1902 by the German weapons manufacturer Deutsche Waffen-und Munitionsfabriken (DWM) for their Luger semi-automatic pistol.he 9mm NATO can be considered as an overpressure variant of the 9Ã19mm Parabellum that is defined by NATO standards. The service pressure Pmax of the 9mm NATO is rated at 252 MPa (36,500 psi) where C.I.P. rates the 9 mm Luger PTmax somewhat lower at 235 MPa (34,100 psi).