{"id":11716,"date":"2025-08-14T12:27:44","date_gmt":"2025-08-14T12:27:44","guid":{"rendered":"https:\/\/blog.tract-optics.co.za\/how-to-true-your-ballistic-coefficient\/"},"modified":"2026-05-21T11:35:02","modified_gmt":"2026-05-21T11:35:02","slug":"your-ballistic-coefficient","status":"publish","type":"post","link":"https:\/\/blog.tract-optics.co.za\/videosview\/your-ballistic-coefficient\/","title":{"rendered":"How to True Your Ballistic Coefficient"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\"><div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p><span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.tract-optics.co.za\/videosview\/your-ballistic-coefficient\/#How_to_True_Your_Ballistic_Coefficient\" >How to True Your Ballistic Coefficient<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.tract-optics.co.za\/videosview\/your-ballistic-coefficient\/#Introduction_to_Ballistic_Coefficient_Truing\" >Introduction to Ballistic Coefficient Truing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.tract-optics.co.za\/videosview\/your-ballistic-coefficient\/#Setting_Up_Equipment_and_Initial_Tests\" >Setting Up Equipment and Initial Tests<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.tract-optics.co.za\/videosview\/your-ballistic-coefficient\/#Live_Fire_Session\" >Live Fire Session<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.tract-optics.co.za\/videosview\/your-ballistic-coefficient\/#Final_Adjustments_and_Results\" >Final Adjustments and Results<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div><h2><span class=\"ez-toc-section\" id=\"How_to_True_Your_Ballistic_Coefficient\"><\/span><strong>How to True Your Ballistic Coefficient<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2><p><iframe src=\"https:\/\/www.youtube.com\/embed\/Dpaap_UCLLc?si=964omjEWE3B4ulbp\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p><p>In this video, <a href=\"https:\/\/www.youtube.com\/@barbourcreek\" target=\"_blank\" rel=\"noopener\">James Eagleman<\/a>, from the <a href=\"https:\/\/barbourcreek.com\/\" target=\"_blank\" rel=\"noopener\">Barbour Creek Long-Range Shooting Schoo<\/a>l, dives into the precise art of <a href=\"https:\/\/blog.tract-optics.co.za\/how-to-box-test-your-riflescope\/\">how to<\/a> true your <a href=\"https:\/\/blog.tract-optics.co.za\/making-the-shot\/\">ballistic<\/a> coefficient.<\/p><p>Viewers will learn the practical steps required to adjust bullet drag factors using modern tools such as the <a href=\"https:\/\/www.garmin.com\/en-US\/p\/771164\/\" target=\"_blank\" rel=\"noopener\">Garmin Chronograph,<\/a> <a href=\"https:\/\/tractoptics.com\/toric-uhd-4-25x50-34mm-ffp-moa-eagleman-long-range-hunting-rifle-scope\/\" target=\"_blank\" rel=\"noopener\">TORIC 4-25&#215;50 Rifle Scope<\/a> and the <a href=\"https:\/\/eagleballistics.com\/\" target=\"_blank\" rel=\"noopener\">Eagle Ballistics app.<\/a><\/p><p>The tutorial is designed to help shooters achieve accurate<a href=\"https:\/\/blog.tractoptics.com\/best-spotting-scope-for-long-range-shooting\/\" target=\"_blank\" rel=\"noopener\"> long-range shots<\/a> by verifying their ballistic data with real-world <a href=\"https:\/\/blog.tract-optics.co.za\/why-we-use-argon-gas-versus-nitrogen\/\">shooting<\/a> conditions, ensuring their rifles are perfectly tuned for distances beyond 600 yards.<\/p><h3><span class=\"ez-toc-section\" id=\"Introduction_to_Ballistic_Coefficient_Truing\"><\/span><strong>Introduction to Ballistic Coefficient Truing<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Time: 0:00-1:30<br \/>Learn what projectile flight coefficient truing is, why it\u2019s crucial for accurate <a href=\"https:\/\/blog.tract-optics.co.za\/videosview\/attending-a-long-range-shooting-course-2\/\">long-range shooting<\/a>, and how to set up a truing session using different lots of ammunition<\/p><h3><span class=\"ez-toc-section\" id=\"Setting_Up_Equipment_and_Initial_Tests\"><\/span><strong>Setting Up Equipment and Initial Tests<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Time: 1:31-3:00<br \/>James walks through the setup of the <a href=\"https:\/\/www.garmin.com\/en-US\/p\/771164\/\" target=\"_blank\" rel=\"noopener\">Garmin Chronograph<\/a>, The <a href=\"https:\/\/tractoptics.com\/toric-uhd-4-25x50-34mm-ffp-moa-eagleman-long-range-hunting-rifle-scope\/\" target=\"_blank\" rel=\"noopener\">TORIC 4-25&#215;50 Rifle Scope<\/a> and the usage of the <a href=\"https:\/\/eagleballistics.com\/\" target=\"_blank\" rel=\"noopener\">Eagle Ballistics app<\/a> to make initial calculations and adjustments before firing.<\/p><figure id=\"attachment_8518\" aria-describedby=\"caption-attachment-8518\" style=\"width: 525px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/tractoptics.com\/toric-uhd-4-25x50-34mm-ffp-moa-eagleman-long-range-hunting-rifle-scope\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-8518\" src=\"http:\/\/blog.tractoptics.com\/wp-content\/uploads\/2025\/07\/TRACT_Eagleman-Project_300x250.jpg\" alt=\"How to True Your Ballistic Coefficient\" width=\"525\" height=\"437\" title=\"\"><\/a><figcaption id=\"caption-attachment-8518\" class=\"wp-caption-text\">How to True Your Ballistic Coefficient<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"Live_Fire_Session\"><\/span><strong>Live Fire Session<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Time: 3:01-5:00<br \/>Watch as <a href=\"https:\/\/www.youtube.com\/@barbourcreek\" target=\"_blank\" rel=\"noopener\">James performs live-fire tests<\/a>, adjusts for wind using observed mirage effects, and makes elevation adjustments to align the point of impact with the target at 700 yards.<\/p><figure id=\"attachment_8624\" aria-describedby=\"caption-attachment-8624\" style=\"width: 522px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/eagleballistics.com\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\" wp-image-8624\" src=\"http:\/\/blog.tractoptics.com\/wp-content\/uploads\/2025\/08\/Eagle-Ballistics-1024x512.png\" alt=\"How to True Your Ballistic Coefficient\" width=\"522\" height=\"261\" title=\"\"><\/a><figcaption id=\"caption-attachment-8624\" class=\"wp-caption-text\">How to True Your Ballistic Coefficient<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"Final_Adjustments_and_Results\"><\/span><strong>Final Adjustments and Results<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3><p>Time: 5:01-6:30<br \/>Discover how to finalize the truing of your ballistic performance index based on the shooting results, using the <a href=\"https:\/\/blog.tract-optics.co.za\/tag\/app\/\">app<\/a> to input observed data and obtain a corrected ballistic coefficient.<\/p><p style=\"text-align: center\"><a style=\"text-align: center;text-decoration: none\" href=\"https:\/\/www.trustpilot.com\/review\/tractoptics.com?utm_medium=Trustbox&#038;utm_source=EmailNewsletter3\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/emailsignature.trustpilot.com\/newsletter\/en-US\/3\/5fc7afaa58a6e200016f0dfc\/520\/170\/light@2x.png?stars=5,4,3,2,1&#038;fontSize=default\" alt=\"\" width=\"520\" height=\"170\" border=\"0\" title=\"\"><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>In this video, James Eagleman, from the Barbour Creek Long-Range Shooting School, dives into the precise art of how to true your ballistic coefficient. Viewers will learn the practical steps required to adjust ballistic coefficients using modern tools such as the Garmin Chronograph, TORIC 4-25&#215;50 Rifle Scope and the Eagle Ballistics app.<\/p>\n","protected":false},"author":2,"featured_media":11935,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2256,2265,2266,2267,2272,2274],"tags":[3546,3547,3548,3549,3550,3551,3552,3553,3554,3555,3556,3557,3558,3559,3560,3561],"class_list":["post-11716","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","category-rifle-scope","category-riflescopes","category-shooting-skills","category-toric-34mm","category-video","tag-ballistic-coefficient-adjustment","tag-ballistic-coefficient-truing","tag-ballistic-coefficient-verification","tag-eagle-ballistics-app","tag-elevation-correction-long-range","tag-garmin-chronograph-ballistic-testing","tag-how-to-true-your-ballistic-coefficient","tag-live-fire-ballistic-testing","tag-long-range-rifle-setup","tag-long-range-shooting-accuracy","tag-precision-rifle-training","tag-rifle-ballistics-tuning","tag-shooting-beyond-600-yards","tag-toric-4-25x50-rifle-scope","tag-truing-ballistic-data","tag-wind-adjustment-shooting"],"_links":{"self":[{"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/posts\/11716","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/comments?post=11716"}],"version-history":[{"count":2,"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/posts\/11716\/revisions"}],"predecessor-version":[{"id":11936,"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/posts\/11716\/revisions\/11936"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/media\/11935"}],"wp:attachment":[{"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/media?parent=11716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/categories?post=11716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tract-optics.co.za\/wp-json\/wp\/v2\/tags?post=11716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}