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Glock 21 (45 ACP)



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Glock 21 (45 ACP) the world of the .45 ACP cartridge was turned upside down. For more than seventy years the domain of the Colt 1911, a new Austrian handgun dared to use the venerable old bullet in a modern design that included, of all things, a polymer frame.

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Invented in 1911 by prolific firearms inventor John Moses Browning, the Colt 1911 pistol used the .45 ACP cartridge—also invented by Browning. Army first noticed during the Philippine Insurrection, when existing Army .38 Long Colt handguns proved unable to stop Moro insurgents in their tracks. The U.S. Army adopted as the M1911, and later the M1911A1, Browning’s pistol served until the early 1980s.

The rise of the nine millimeter handguns, precipitated in large part by the Glock 17, hung a question mark over the .45 ACP. With police agencies, gendarmes and armies all switching to the nine millimeter, the cartridge seemed to lack an anchor in government service. American gun users, whose previously had to choose between the .45 ACP, .357 Magnum and .38 Special, all flocked to the novel new pistol with the high-magazine capacity. The .45 ACP could have floated toward nichedom. Then in 1990 Glock introduced the Glock 21: the .45 ACP Glock.

So without too much fan boy fanfare I started research into my first firearm with a Springfield XD service Model. But when I showed up to the Gunstore I realized there where alot of options. An OD Gen 3 G21 made it’s way into my hand and I fell in love but did not buy just yet. Though my first pistol (by simply first Signature of the three, the other two being a G17 and G22 gen 3) this older non-sf gen3 made it’s way home in black. Dry firing quickly confirmed the Tungsten guide rod brought it to my preference and at the time Sig just wasn’t offering enough or cheap enough. 2.5k rds later it remains my favorite pistol, probably my favorite firearm.  Tungsten rod balences out lighter magazine loads and makes my drills consistent.


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