{"id":193233,"date":"2024-03-15T11:24:53","date_gmt":"2024-03-15T16:24:53","guid":{"rendered":"https:\/\/www.gunsamerica.com\/digest\/?p=193233"},"modified":"2024-03-15T11:24:58","modified_gmt":"2024-03-15T16:24:58","slug":"best-bullet-weight-for-a-1-in-8-twist-rate","status":"publish","type":"post","link":"https:\/\/gunsamerica.com\/digest\/best-bullet-weight-for-a-1-in-8-twist-rate\/","title":{"rendered":"Best Bullet Weight For a 1 in 8 Twist Rate?"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2274-1-1024x768.jpg\" alt=\"5.56 barrel with a 1 in 8 Twist Rate\" class=\"wp-image-193252\" title=\"3 - Best Bullet Weight For a 1 in 8 Twist Rate?\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2274-1-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2274-1-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2274-1-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2274-1-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2274-1.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Best Bullet Weight For a 1 in 8 Twist Rate?<\/figcaption><\/figure>\n\n\n\n<p class=\"yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__icon\"><svg aria-hidden=\"true\" focusable=\"false\" data-icon=\"clock\" width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" style=\"display:inline-block;vertical-align:-0.1em\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z\"><\/path><\/svg><\/span><span class=\"yoast-reading-time__spacer\" style=\"display:inline-block;width:1em\"><\/span><span class=\"yoast-reading-time__descriptive-text\">Estimated reading time:  <\/span><span class=\"yoast-reading-time__reading-time\">6<\/span><span class=\"yoast-reading-time__time-unit\"> minutes<\/span><\/p>\n\n\n\n<p>The most common twist rate in AR15 rifles currently manufactured and chambered in 5.56\/.223 is a 1:8 twist rate. This means the bullet makes one complete rotation in eight inches. So if you have a 16-inch barrel the bullet will rotate twice before exiting the barrel. You might be thinking what does it matter if my AR has a 1:8 twist rate? Why does the twist rate matter? Twist rate and bullet work together to provide either stellar accuracy or they clash and accuracy is\u2014well there is no accuracy. Knowing your twist rate can help you decide what bullet weight is best suited for your rifle. So what\u2019s the best bullet weight to use with a 1:8 twist rate? The simple answer is nearly all 5.56\/.223 bullet weights.<\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table of contents<\/h2><ul><li><a href=\"#h-why-is-barrel-twist-rate-important\" class=\"clickTracking\" campaign=\"best-bullet-weight-for-a-1-in-8-twist-rate\" title=\"Best Bullet Weight For a 1 in 8 Twist Rate?\" data-level=\"2\">Why Is Barrel Twist Rate Important?<\/a><\/li><li><a href=\"#h-how-to-chose-ar15-bullet-weights\" class=\"clickTracking\" campaign=\"best-bullet-weight-for-a-1-in-8-twist-rate\" title=\"Best Bullet Weight For a 1 in 8 Twist Rate?\" data-level=\"2\">How To Chose AR15 Bullet Weights<\/a><\/li><li><a href=\"#h-best-do-all-ar-rifling-1-8-twist-rate\" class=\"clickTracking\" campaign=\"best-bullet-weight-for-a-1-in-8-twist-rate\" title=\"Best Bullet Weight For a 1 in 8 Twist Rate?\" data-level=\"2\">Best Do All AR Rifling: 1:8 Twist Rate<\/a><\/li><li><a href=\"#h-early-m16-twist-rate\" class=\"clickTracking\" campaign=\"best-bullet-weight-for-a-1-in-8-twist-rate\" title=\"Best Bullet Weight For a 1 in 8 Twist Rate?\" data-level=\"2\">Early M16 Twist Rate<\/a><\/li><li><a href=\"#h-common-ar15-barrel-twist-rates\" class=\"clickTracking\" campaign=\"best-bullet-weight-for-a-1-in-8-twist-rate\" title=\"Best Bullet Weight For a 1 in 8 Twist Rate?\" data-level=\"2\">Common AR15 Barrel Twist Rates<\/a><\/li><\/ul><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2281-1024x768.jpg\" alt=\"AR15 and ammunition\" class=\"wp-image-193245\" title=\"3 - Best Bullet Weight For a 1 in 8 Twist Rate?\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2281-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2281-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2281-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2281-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2281.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Pairing the bullet weight to the barrel twist rates doesn&#8217;t guarantee stellar accuracy but will provide optimized performance.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-is-barrel-twist-rate-important\">Why Is Barrel Twist Rate Important?<\/h2>\n\n\n\n<p>The rifling in your barrel is designed to spin and stabilize the bullet before it leaves the barrel. If a bullet spins too slowly it won\u2019t stabilize nor achieve maximum velocity and it will tumble. This tumbling is called yaw and it degrades accuracy. The bullet can hit the target sideways and punch a profile outline of the bullet in the target instead of hitting the target at the tip and cutting a clean circular hole. If the bullet rotates too fast it is over-stabilized and can break up in flight with the result being poor accuracy and no stopping power. Twist rate is important to ensure the bullet you are shooting will achieve maximum velocity and stabilize to perform whatever the bullet\u2019s job\u2014hunting, plinking, competition shooting, or defense.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-chose-ar15-bullet-weights\">How To Chose AR15 Bullet Weights<\/h2>\n\n\n\n<p>As you know 5.56\/.223 ammo comes in a variety of bullet weights which is measured in grains. There is a huge a number of choices. Some of the most popular 5.56\/.223 bullet weights are 55-, 62-, and 77-grain bullets. There are other bullet weights: 50-, 60-, 70-grains and more. The rule of thumb is to match your bullet to the intended purpose. Do you need a bullet for self-defense? A 55- or 62-grain bullet will work. Are you hunting coyotes and need long-range accuracy? Try a 70-grain bullet. You understand the equation that bullet weight and twist rate must be matched up with the intended purpose for optimal results. That doesn\u2019t mean you can\u2019t shoot certain-weight bullets through an AR. It is perfectly safe to shoot them, but you might not hit a target past 100 yards if the twist rate and bullet weight are not compatible.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"565\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2276-1024x565.jpg\" alt=\"5.56 ammo from Hornady, Nosler, Fiocchi, and Magtech.\" class=\"wp-image-193239\" title=\"3 - Best Bullet Weight For a 1 in 8 Twist Rate?\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2276-1024x565.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2276-400x221.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2276-150x83.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2276-768x424.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2276.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Bullet weights for the 5.56 vary. Here are weights from left to right that range from Hornady and Nosler 53-grain to Magtech and Hornady 55- and 62-grain and on the heavy end is Fiocchi 69-grain and a 70- and 77-grain from Nosler.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-best-do-all-ar-rifling-1-8-twist-rate\">Best Do All AR Rifling: 1:8 Twist Rate<\/h2>\n\n\n\n<p>AR15 manufacturers have realized that some shooters don\u2019t care about, ignore, or just don\u2019t understand the importance of bullet weight and barrel twist rate. Many of us, especially with low supplies of ammo on the shelves, purchase whatever ammo is available and sometimes it is accurate and sometimes it is not. With a 1:8 twist rate, you can feed a broad spectrum of bullet weights and not give your AR heartburn and shoot patterns rather than groups. A 1:8 twist rate is a general-purpose, do-all twist rate. That\u2019s why AR manufacturers use it in their rifles. It is versatile and can pretty much shoot bullets from 40-grain bullets up to 85-grain bullets with good accuracy. The optimal bullet weight range for a 1:8 twist rate is 62-grain to 77-grain bullets. Bullets in this range will provide optimal accuracy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2278-1024x768.jpg\" alt=\"5.56 cartridges with 53-grain bullet and 77-grain bullet\" class=\"wp-image-193242\" title=\"3 - Best Bullet Weight For a 1 in 8 Twist Rate?\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2278-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2278-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2278-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2278-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2278.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">A 1\/8 twist rate will handle the light 53-grain Hornady varmint load to the 77-grain match load from Nosler.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-early-m16-twist-rate\">Early M16 Twist Rate<\/h2>\n\n\n\n<p>When the M16 was being developed, bullet weight was 45- to 52-grains and it was paired with a 1:14 twist rate. The slow twist rate was perfect for the lightweight bullets and as the Army changed design requirements, a 1:12-inch twist rate was used which absolutely loves 55-grain bullets especially when fired from a 20-inch barrel. If you are building a retro M16 with the mil-spec 20-inch barrel, to be true it should have a 1:12 twist rate. The problem with the 1:12 twist is it can\u2019t stabilize heavier bullets. Heavy bullets through a 1:12 barrel will yaw and accuracy at 100 yards will be dismal.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-common-ar15-barrel-twist-rates\">Common AR15 Barrel Twist Rates<\/h2>\n\n\n\n<p>The 1:8 is the most versatile and most common, but you will find barrels with 1:7 and 1:9 twist rates. A 1:7 twist rate is best suited for heavier bullet weights. The U.S. military uses a 1:7 twist in M16A2 rifles and a 62-grain bullet, and in the M16A4 and M4 which can stabilize bullets up to 90 grains. If you run 55-grain bullets through a 1:7 you will see accuracy and performance deteriorate because the barrel over-stabilizes the bullet.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2282-1024x768.jpg\" alt=\"5.56 barrel marked with .223 Wylde chamber and 1:7 twist rate\" class=\"wp-image-193253\" title=\"3 - Best Bullet Weight For a 1 in 8 Twist Rate?\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2282-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2282-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2282-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2282-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2282.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The twist rate is typically marked on the barrel. This example is a .223 Wylde chamber with a 1:7-inch twist rate.<\/figcaption><\/figure>\n\n\n\n<p>The bullet weight sweet spot for a 1:9 twist is 40 to 62 grains, but it is fine for bullets 62 to 77 grains. The 1:9 is a good compromise twist rate if you shoot light to mid-weight bullets in the 45 to 77-grain range.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2279-1024x768.jpg\" alt=\"Springfield Armory Saint AR15 with ammo.\" class=\"wp-image-193246\" title=\"3 - Best Bullet Weight For a 1 in 8 Twist Rate?\" srcset=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2279-1024x768.jpg 1024w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2279-400x300.jpg 400w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2279-150x113.jpg 150w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2279-768x576.jpg 768w, https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2279.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">The best bullet weight range for a 1:8 twist rate is 62-grain to 77-grain bullets. Bullets in this range will provide the best performance.<\/figcaption><\/figure>\n\n\n\n<p>There is no perfect twist rate nor bullet weight, but just knowing what weight bullets work best in what barrel twist will give you optimum performance out of your AR.<\/p>\n\n\n\n<p class=\"has-text-align-left\" style=\"font-size:24px\"><strong><em>*** <a href=\"https:\/\/gunsamerica.com\" target=\"_blank\" class=\"clickTracking\" campaign=\"best-bullet-weight-for-a-1-in-8-twist-rate\" title=\"Best Bullet Weight For a 1 in 8 Twist Rate?\" target=\"_blank\" rel=\"noreferrer noopener\">Buy and Sell on GunsAmerica!<\/a> ***<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The most common twist rate in AR15 rifles currently manufactured and chambered in 5.56\/.223 is a 1:8 twist rate. This means the bullet makes one complete rotation in eight inches. So if you have a 16-inch barrel the bullet will rotate twice before exiting the barrel. You might be thinking what does it matter if [&hellip;]<\/p>\n","protected":false},"author":65,"featured_media":193245,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_specdata_upc":"","_specdata_placement":"","footnotes":""},"categories":[59,7,109,771],"tags":[299,1400,102],"featured":[],"hunt365":[],"class_list":{"0":"post-193233","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ar-15-gear-reviews","8":"category-gunsamerica-authors","9":"category-gear-reviews","10":"category-robert-sadowski","11":"tag-ammo-2","12":"tag-ar15","13":"tag-feature-articles"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What Bullet Weight is Ideal for a 1 in 8 Twist Rate?<\/title>\n<meta name=\"description\" content=\"Find out why bullet weight matters for a 1:8 twist rate in AR15 rifles. Choose the ideal bullet weight for optimal accuracy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gunsamerica.com\/digest\/best-bullet-weight-for-a-1-in-8-twist-rate\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Best Bullet Weight For a 1 in 8 Twist Rate?\" \/>\n<meta property=\"og:description\" content=\"Best Bullet Weight For a 1 in 8 Twist Rate? Estimated reading time: 6 minutes The most common twist rate in AR15 rifles currently manufactured and\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gunsamerica.com\/digest\/best-bullet-weight-for-a-1-in-8-twist-rate\/\" \/>\n<meta property=\"og:site_name\" content=\"Gun Reviews and News | GunsAmerica.com\/Digest\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/gunsamerica\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T16:24:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-15T16:24:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gunsamerica.com\/digest\/wp-content\/uploads\/2023\/10\/IMG-2281.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Robert Sadowski\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@gunsamerica\" \/>\n<meta name=\"twitter:site\" content=\"@gunsamerica\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Robert Sadowski\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/\"},\"author\":{\"name\":\"Robert Sadowski\",\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/#\\\/schema\\\/person\\\/330e444757376ce110a52194be84fe88\"},\"headline\":\"Best Bullet Weight For a 1 in 8 Twist Rate?\",\"datePublished\":\"2024-03-15T16:24:53+00:00\",\"dateModified\":\"2024-03-15T16:24:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/\"},\"wordCount\":987,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/IMG-2281.jpg\",\"keywords\":[\"Ammo\",\"ar15\",\"Feature Articles\"],\"articleSection\":[\"AR-15\",\"Authors\",\"Gear Reviews\",\"Robert Sadowski\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/#respond\"]}],\"accessibilityFeature\":[\"tableOfContents\"]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/\",\"url\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/\",\"name\":\"What Bullet Weight is Ideal for a 1 in 8 Twist Rate?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/best-bullet-weight-for-a-1-in-8-twist-rate\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gunsamerica.com\\\/digest\\\/wp-content\\\/uploads\\\/2023\\\/10\\\/IMG-2281.jpg\",\"datePublished\":\"2024-03-15T16:24:53+00:00\",\"dateModified\":\"2024-03-15T16:24:58+00:00\",\"description\":\"Find out why bullet weight matters for a 1:8 twist rate in AR15 rifles. 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Looking to purchase a firearm online? 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