{"id":3694,"date":"2025-09-02T04:56:16","date_gmt":"2025-09-02T04:56:16","guid":{"rendered":"https:\/\/nextgun.ch\/wiki\/glock-20-the-10-mm-auto-version-glock\/"},"modified":"2025-09-02T05:02:33","modified_gmt":"2025-09-02T05:02:33","slug":"glock-20-the-10-mm-auto-version-glock","status":"publish","type":"wiki","link":"https:\/\/nextgun.ch\/en\/wiki\/glock-20-the-10-mm-auto-version-glock\/","title":{"rendered":"Glock 20 | The 10 mm Auto version Glock"},"content":{"rendered":"\t\t
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Glock 20 | The power of 10 mm Auto in the palm of your hand<\/h1>

Introduction<\/h2>

The Glock 20<\/strong> is a semi-automatic pistol chambered in 10 mm Auto<\/strong>, designed by Austrian manufacturer Glock Ges.m.b.H.<\/strong>. Introduced in 1991, it is aimed at shooters and professionals seeking greater power than conventional calibers such as 9 mm. <\/p>

Featuring Glock’s typical reliability and an impressive 15-shot capacity, the G20 is today prized by sports shooting enthusiasts, law enforcement agencies in certain regions, and hunters or professionals operating in hostile environments.<\/p>

Background and development<\/h2>

The 10 mm Auto<\/strong> caliber was developed in the 1980s to offer superior ballistic performance to the 9 mm Parabellum, particularly in terms of stopping power and penetration.<\/p>

Following the commercial failure of the Colt Delta Elite and the temporary adoption of 10 mm by the FBI, Glock offers a more robust and reliable alternative with the Glock 20<\/strong>, using the proven platform of the Glock 17 but adapted to the constraints of 10 mm.<\/p>

The G20 stands out for its solidity<\/strong>, thanks to a reinforced chassis<\/strong>, a more massive barrel<\/strong> and an enlarged breech<\/strong> to handle the increased pressure of this ammunition.<\/p>

Technical data<\/h2>
Element<\/th>Detail<\/th><\/tr><\/thead>
Caliber<\/td>10 mm Auto<\/td><\/tr>
Capacity<\/td>15+1 shots<\/td><\/tr>
Total length<\/td>205 mm<\/td><\/tr>
Barrel length<\/td>117 mm<\/td><\/tr>
Height<\/td>139 mm<\/td><\/tr>
Width<\/td>34 mm<\/td><\/tr>
Weight (loaded)<\/td>Approx. 1,125 g<\/td><\/tr>
Mechanism<\/td>Safe Action (striker)<\/td><\/tr>
Materials<\/td>Reinforced polymer \/ steel<\/td><\/tr><\/tbody><\/table>

Operation and ergonomics<\/h2>

The Glock 20 features Glock’s own Safe Action system<\/strong>, combining three automatic safety devices:<\/p>

  • trigger safety<\/p><\/li>

  • firing pin safety<\/p><\/li>

  • fall protection<\/p><\/li><\/ul>

    Its grip<\/strong> is wider than that of 9 mm models, due to the larger caliber. It is compatible with interchangeable backsplashes<\/strong> on the most recent generations (Gen4 and Gen5), enabling the grip to be adapted to different morphologies. <\/p>

    Its polygonal barrel<\/strong> ensures good accuracy and durability, even under the high pressure of the 10 mm. Sighting is classic Glock: fixed rear sight and white notched front sight. <\/p>

    Performance and ballistic use<\/h2>

    The 10 mm Auto<\/strong> caliber is one of the most powerful used in mass-produced semi-automatic pistols. It far surpasses .40 S&W and even some .357 Magnum loads in terms of energy. <\/p>

    This makes the Glock 20 particularly suitable for :<\/p>

    • long-distance pistol shooting<\/strong><\/p><\/li>

    • environments where defense against wild animals<\/strong> is required (e.g. wooded areas in the U.S. and Canada)<\/p><\/li>

    • sport shooting<\/strong> with IPSC or metal silhouettes<\/p><\/li><\/ul>

      Versions and variants<\/h2>

      • Glock 20 Gen3<\/strong>: classic version with textured frame.<\/p><\/li>

      • Glock 20 Gen4<\/strong>: improved grip, double spring system, interchangeable backsplashes.<\/p><\/li>

      • Glock 20SF (Short Frame)<\/strong>: version with thinner handle, more suitable for smaller hands.<\/p><\/li>

      • Glock 40 MOS<\/strong>: long-range version of the G20, with 6-inch barrel and Modular Optic System interface, popular for precision shooting and hunting.<\/p><\/li><\/ul>

        Comparison with other 10 mm guns<\/h2>
        Model<\/th>Capacity<\/th>Barrel length<\/th><\/tr><\/thead>
        Glock 20<\/td>15 shots<\/td>117 mm<\/td><\/tr>
        Colt Delta Elite<\/td>8-shot<\/td>127 mm<\/td><\/tr>
        SIG P220 10 mm<\/td>8 shots<\/td>120 mm<\/td><\/tr><\/tbody><\/table>

        The Glock 20 remains the modern benchmark<\/strong> for 10 mm Auto, combining capacity, robustness and compatibility with high-pressure ammunition.<\/p>

        Adoption and popularity<\/h2>

        The Glock 20 is used by :<\/p>

        • certain wildlife agents<\/strong> in North America<\/p><\/li>

        • special forces<\/strong> in countries where the 10 mm is deemed relevant<\/p><\/li>

        • many hunters<\/strong> and sport shooters<\/strong><\/p><\/li><\/ul>

          It also benefits from a large community of civilian users, and a vast accessories market: holsters, custom triggers, springs, optics, extended magazines.<\/p>

          Conclusion<\/h2>

          The Glock 20<\/strong> embodies the meeting of the raw power<\/strong> of the 10 mm Auto and the legendary reliability<\/strong> of Glock.<\/p>

          With its impressive capacity, proven robustness and versatility, it remains one of the best choices for those looking for a high-caliber pistol capable of coping with extreme environments or demanding shooting scenarios.<\/p>

          At the crossroads of precision shooting, defense and the professional world, the Glock 20 remains a model apart in the world of modern handguns.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":3671,"template":"elementor_theme","meta":{"_acf_changed":false},"class_list":["post-3694","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/nextgun.ch\/en\/wp-json\/wp\/v2\/wiki\/3694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nextgun.ch\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/nextgun.ch\/en\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":1,"href":"https:\/\/nextgun.ch\/en\/wp-json\/wp\/v2\/wiki\/3694\/revisions"}],"predecessor-version":[{"id":3695,"href":"https:\/\/nextgun.ch\/en\/wp-json\/wp\/v2\/wiki\/3694\/revisions\/3695"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nextgun.ch\/en\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/nextgun.ch\/en\/wp-json\/wp\/v2\/media?parent=3694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}