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Here’s What You Need to Remember: In reality, the Glock 21 is actually one of the best, and most affordable, .45 ACP pistols on the market. The Glock 21 carries thirteen rounds in a double stack ...

Key point: The .45 ACP has benefitted from increased performance. The .45 Automatic Colt Pistol round, or .45 ACP as it is commonly known, is fairly controversial. Invented in 1905 by prolific ...