{"id":10762,"date":"2025-07-09T13:50:25","date_gmt":"2025-07-09T17:50:25","guid":{"rendered":"https:\/\/acrobattactical.com\/shop\/?post_type=product&#038;p=10762"},"modified":"2026-04-10T19:16:11","modified_gmt":"2026-04-10T23:16:11","slug":"polymer80-g21-gen-3-barrel-black-45-acp","status":"publish","type":"product","link":"https:\/\/acrobattactical.com\/shop\/product\/polymer80-g21-gen-3-barrel-black-45-acp\/","title":{"rendered":"Match-Grade Barrel for the Glock G21 GEN 3 BARREL BLACK .45 ACP\u00a0"},"content":{"rendered":"<p>Match-Grade Barrel for the Glock\u00ae 21 is a premium barrel machined from hardened 416R stainless steel to precise dimensions, so it delivers a tight lockup that helps ensure superb accuracy. It&#8217;s a drop-in fit to most guns, too.\u00a0 The extra-hard Black Nitride finish resists surface wear and stops in its tracks whatever corrosion might try to challenge the stainless steel. This .45 ACP chambered barrel is button-rifled with standard, 1-10&#8243; right-hand, 6-groove rifling that is compatible with the non-jacketed bullets of inexpensive &#8220;practice&#8221; ammo.<br \/>\nThe durability, reliability and excellent build quality of these parts will ensure years of service you can count on.<\/p>\n<p>Specifications<br \/>\nManufacturer -P80<br \/>\nModel &#8211; Match Grade Barrel<br \/>\nCaliber &#8211; .45 ACP<br \/>\nType of Barrel &#8211; non-Threaded<br \/>\nColor- black<br \/>\nFits Glock21<br \/>\nFinish -Non-reflective Black Nitride anti-corrosion finish<\/p>\n<p>Manufacturer Part # P80-Barrel-G21acp-black<br \/>\n*******<br \/>\n<i><b>DISCLAIMER:<\/b> This product is not manufactured, authorized, endorsed,<br \/>\nor warranted by GLOCK. GLOCK does not warrant or represent that<br \/>\nthis product is compatible with GLOCK pistols.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"\"><b>Barrel Specifications:<\/b><\/div>\n<div>\n<div class=\"\">\n<ul>\n<li class=\"it-ttl\"><span style=\"font-family: Arial; font-size: large;\">Fits Generations 1 &#8211; 4<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">Barrels have .45 ACP caliber markings<\/span><strong><span style=\"font-family: Arial; font-size: large;\">.<\/span><\/strong><\/li>\n<li id=\"itemTitle\" class=\"it-ttl\"><span style=\"font-family: Arial; font-size: large;\">4.61&#8243; barrel length.<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">Hardened 416R stainless steel<\/span><span style=\"font-family: Arial; font-size: large;\">.<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">Non-reflective Black Nitride anti-corrosion finish<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">CNC machined to obtain superior dimensional tolerances over stock.<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">Greater accuracy over stock barrels.<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">Match chambers for shooting factory or reloaded ammunition<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">Drop-in fit for most guns<\/span><\/li>\n<li><span style=\"font-family: Arial; font-size: large;\">Barrels are shipped with a light coat of grease to protect them in transit. Always clean the barrel inside and out before installation.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"featured_media":10763,"comment_status":"open","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"product_brand":[],"product_cat":[161],"product_tag":[297,295,294,163,296],"class_list":{"0":"post-10762","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-slides-barrels","7":"product_tag-45-acp","8":"product_tag-45acp","9":"product_tag-fits-glock-21-gen3-and-gen4","10":"product_tag-match-grade-barrel","11":"product_tag-non-reflective-black-nitride-anti-corrosion-finish","13":"first","14":"instock","15":"sale","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-simple"},"exclude_global_add_ons":[],"addons":[],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/product\/10762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/comments?post=10762"}],"version-history":[{"count":3,"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/product\/10762\/revisions"}],"predecessor-version":[{"id":10771,"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/product\/10762\/revisions\/10771"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/media\/10763"}],"wp:attachment":[{"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/media?parent=10762"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/product_brand?post=10762"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/product_cat?post=10762"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/acrobattactical.com\/shop\/wp-json\/wp\/v2\/product_tag?post=10762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}