Glock 20 Gen 3 10mm Auto

Updated August 24, 2026

This Glock 20 Gen3 semi-automatic pistol is chambered in powerful 10mm Auto and represents one of Glock’s most iconic full-size large-caliber handgun configurations. Serial number TSB882, this example features an approximately 4.5" barrel with a shiny bore and presents in very good overall condition. The pistol utilizes Glock’s durable polymer frame with the classic Gen3 finger-groove grip profile, paired with a steel slide and striker-fired operating system. Two magazines are included along with the original Glock hard case, making this a nicely complete package. The Glock 20 has long been one of the benchmark semi-automatic pistols chambered in 10mm Auto and has developed a devoted following among shooters who appreciate the cartridge’s considerable power. The Gen3 generation remains particularly recognizable for its classic frame profile and longstanding place in Glock history. With very good condition, two magazines, original case, full-size frame, and hard-hitting 10mm chambering, this is a highly appealing Glock package. Please see photos. Glock 20 Gen 3 10mm Auto Semi 4.5 Shiny TSB882 Very Good

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