{"id":1695,"date":"2026-01-24T12:49:36","date_gmt":"2026-01-24T12:49:36","guid":{"rendered":"https:\/\/polymer80firearms.com\/?post_type=product&#038;p=1695"},"modified":"2026-01-24T12:49:48","modified_gmt":"2026-01-24T12:49:48","slug":"xs-big-dot-sights-for-glock-19","status":"publish","type":"product","link":"https:\/\/usaguncenter.com\/polymer80\/product\/xs-big-dot-sights-for-glock-19\/","title":{"rendered":"XS Big Dot Sights \u2013 For Glock 19"},"content":{"rendered":"<div class=\"wc-tab-inner wd-entry-content\">\n<div>XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch rear for an unobstructed view of the front sight.<\/div>\n<div>\u00a0<\/div>\n<div>DXT2 Big Dot front sights use a patent pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium.\u00a0Optic Yellow is the best option for low light and has the brightest glow intensity. Primarily based on the white light spectrum, optic yellow is very reflective and will excite the photoluminescent properties of the dot faster than any other color. The increased surface area of the convex dot increases light absorption, intensifying the charge of the glow properties of the dot.<\/div>\n<div>\u00a0<\/div>\n<div>The dot-the \u201ci\u201d sight picture, with a tritium dot in the front sight and a tritium bar in the rear, prevents confusing the front and rear sight in high-stress situations. In most gunfights, the victim and attacker are both moving and the victim\u2019s focus is drawn to the threat. The wide field of view increases visibility of the front sight and of the threat downrange.<\/div>\n<div>\n<ul>\n<li>Big Dot \u2013 Remains visible under stress when focus is drawn downrange. Outside diameter 0.188\u2033<\/li>\n<li>Yellow Front Sight \u2013 High-contrast color designed for maximum visibility in bright to low light<\/li>\n<li>Glow Dot \u2013 Convex photoluminescent dot absorbs ambient light and glows in low light levels<\/li>\n<li>Tritium Powered Front &amp; Rear Sight \u2013 Beta Emitting lamps glow in low light to aid in sight alignment<\/li>\n<li>V-Notch Rear \u2013 Low-profile V provides greater visibility of objects downrange of front sight<\/li>\n<li>Dot-the-\u201ci\u201d Sight Picture \u2013 Straight line sight picture with differentiated front and rear sight prevents shooters from confusing the front and rear sight<\/li>\n<li>Rear Sight White Outline \u2013 Aids in rear sight identification for proper sight alignment<\/li>\n<li>Rear Sight Ledge \u2013 Aids in one-handed slide manipulations<\/li>\n<li>CNC Machined from steel bar stock<\/li>\n<li>10 Year Warranty \u2013 No Questions Asked night sight warranty<\/li>\n<li>Fits in common holsters<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch rear for an unobstructed view of the front sight. \u00a0 DXT2 Big Dot front sights use a patent pending glow dot [&hellip;]<\/p>\n","protected":false},"featured_media":1711,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","iawp_total_views":0},"product_brand":[23],"product_cat":[49],"product_tag":[],"class_list":["post-1695","product","type-product","status-publish","has-post-thumbnail","product_brand-polymer80","product_cat-pistol-sights","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.4 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>XS Big Dot Sights \u2013 For Glock 19 - Polymer 80 Firearms - Authorized Polymer80 Distributor<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/usaguncenter.com\/polymer80\/product\/xs-big-dot-sights-for-glock-19\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"XS Big Dot Sights \u2013 For Glock 19\" \/>\n<meta property=\"og:description\" content=\"XS DXT2 Big Dot Tritium Night Sights offer the best front sight visibility in all lighting conditions. DXT2 Big Dot sights drive focus to the front sight using a high-contrast front and a V-notch rear for an unobstructed view of the front sight. \u00a0 DXT2 Big Dot front sights use a patent pending glow dot [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/usaguncenter.com\/polymer80\/product\/xs-big-dot-sights-for-glock-19\/\" \/>\n<meta property=\"og:site_name\" content=\"Polymer 80 Firearms - Authorized Polymer80 Distributor\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-24T12:49:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/usaguncenter.com\/polymer80\/wp-content\/uploads\/2026\/01\/xs-big-dot-sights-for-glock-19.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"386\" \/>\n\t<meta property=\"og:image:height\" content=\"386\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/\",\"url\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/\",\"name\":\"XS Big Dot Sights \u2013 For Glock 19 - Polymer 80 Firearms - Authorized Polymer80 Distributor\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/xs-big-dot-sights-for-glock-19.jpg\",\"datePublished\":\"2026-01-24T12:49:36+00:00\",\"dateModified\":\"2026-01-24T12:49:48+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/#primaryimage\",\"url\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/xs-big-dot-sights-for-glock-19.jpg\",\"contentUrl\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/xs-big-dot-sights-for-glock-19.jpg\",\"width\":386,\"height\":386},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/product\\\/xs-big-dot-sights-for-glock-19\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"XS Big Dot Sights \u2013 For Glock 19\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/#website\",\"url\":\"https:\\\/\\\/usaguncenter.com\\\/polymer80\\\/\",\"name\":\"Polymer 80 Firearms - Authorized Polymer80 Distributor\",\"description\":\"Precision Components. 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