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The .45 ACP (Automatic Colt Pistol) or .45 Auto (11.43×23mm) is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it was adopted as the standard chambering for Colt's M1911 pistol. The round was developed due to a lack of stopping power in Sulu experienced in the Moro Rebellion using the .38 Long Colt. This experience and the Thompson–LaGarde Tests of 1904 led the Army and the Cavalry to decide a minimum of .45 caliber was required in a new handgun.
The standard issue military .45 ACP round has a 230-grain bullet that travels at approximately 830 feet per second when fired from the government issue M1911A1 pistol. It operates at a relatively low maximum chamber pressure rating of 21,000 psi (140 MPa), compared to 35,000 psi (240 MPa) for both 9mm Parabellum and .40 S&W, which due to a low bolt thrust helps extend service life of weapons. Due to standard-pressure .45 ACP rounds being inherently subsonic when fired from handguns and submachine guns, it is a useful caliber for suppressed weapons to eliminate the sonic boom.
Today, most NATO militaries use sidearms chambered for the 9×19mm Parabellum cartridge, but the effectiveness of the .45 ACP cartridge has ensured its continued popularity with large-caliber sport shooters, especially in the United States. In 1985, the .45 ACP M1911A1 pistol was replaced by the Beretta M9 9mm pistol as the main sidearm of the U.S. military, which in turn was replaced with the SIG Sauer P320 9mm pistol in 2017, designated M17 for the full-size and M18 for the compact.
I have way too many of 45 ACP Brass Fully Processed and PRIMED.
Assorted Head stamp Once-fired 45 ACP. Some never fired Large Pistol PRIMED Sized, Polished Once Fired, Ready to flair and load
1500 count of primed brass for a special price of
See my bio info as to whom I am selling these...
I will be clearing out my ammunition entirely due to moving overseas next year so keep an eye out for further postings. Purchases will be cash only and pickup location will be the Fred Meyers at the town of Cornelius, please note its the town of Cornelius located between forest Grove...
I will be clearing out my brass entirely due to moving overseas next year so keep an eye out for further postings. Purchases will be cash only and pickup location will be the Fred Meyers at the town of Cornelius. Sorry no shipping and no trades.
Most of the brass I have figured out...
Lightly used Glock 41 MOS. Chambered in 45. I think it has maybe 50 rounds through it.
Includes 3 magazines and the box. One small scratch in the finish on the slide that is shown in the pictures.
Asking $400. Make me an offer, not interested in trades. Will meet locally at an FFL we agree on...
I have way too many of these Berry 230gr 45 acp Plated RN stock.
These are not in factory boxes. These are loose in pasteboard box.
That's about 50 pounds (1500 count) of loose bullets for a special price of
See my bio info as to whom I am selling these for.
PM me if you have a question...
This gun is FDE (all kinds of shades!). Beautiful gun. Only ran two mags through it. Threaded barrel. No optic, but it comes with factory MOS and two plates. Comes with range bag and 3 15 round mags. Grip adjustment pieces and manuals.
Looking to trade.
Really looking for: staccato c2, eotech...
As title says, two toned Kimber Custom in 45 ACP with custom slide cut done by Armac Tactical in Junction city with HS507k red dot. I am the second owner, so I do not know round count. I put 50 rounds through it for function test, then it became a safe queen. Comes with tuppaware (not the...
Used RCBS 3 die set with carbide sizer, good used condition. $35.
Lee 45 ACP 3 die set with carbide sizer. Good used condition. $25.
Meet FTF in Tigard/Tualatin area, or will ship with buyer covering cost.