{"id":7372,"date":"2026-04-13T23:34:19","date_gmt":"2026-04-13T23:34:19","guid":{"rendered":"https:\/\/rhinowebllc.com\/bayou-brass\/?post_type=product&#038;p=7372"},"modified":"2026-04-13T23:34:27","modified_gmt":"2026-04-13T23:34:27","slug":"300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500","status":"publish","type":"product","link":"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/","title":{"rendered":"300 Blackout &#8211; Converted 5.56 Lake City Fully Processed Brass (OFB) (500)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>300 Blackout &#8211; Converted 5.56 NATO\/223 REM &#8211; Fully Processed Once Fired Brass (500)<\/p>\n<p>We offer our 300 Blackout once fired brass (OFB) converted from; 5.56mm NATO\/223 REM Mixed headstamps. The brass is MADE RIGHT! It is Fully Processed and ready to reload.<\/p>\n<p>The brass is first ultrasonically cleaned in our own proprietary cleaning solution.<\/p>\n<p>Brass is then Roll Sized to provide full length resizing.<\/p>\n<p>Brass is then decapped, primer pockets swaged, and reformed to 300 Blackout.<\/p>\n<p>The necks are then slightly expanded to provide the proper neck tension with a Lyman M-Die.<\/p>\n<p>Brass is then tumbled in stainless steel chips to provide a light deburring and a very clean and shiny finish both inside and outside the brass.<\/p>\n","protected":false},"featured_media":7395,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[44],"product_tag":[451],"class_list":{"0":"post-7372","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cartridge-cases","7":"product_tag-300-blackout","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>300 Blackout - Converted 5.56 Lake City Fully Processed Brass (OFB) (500) - Bayou Brass &amp; Ammo<\/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:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"300 Blackout - Converted 5.56 Lake City Fully Processed Brass (OFB) (500) - Bayou Brass &amp; Ammo\" \/>\n<meta property=\"og:description\" content=\"300 Blackout - Converted 5.56 NATO\/223 REM - Fully Processed Once Fired Brass (500) We offer our 300 Blackout once fired brass (OFB) converted from; 5.56mm NATO\/223 REM Mixed headstamps. The brass is MADE RIGHT! It is Fully Processed and ready to reload. The brass is first ultrasonically cleaned in our own proprietary cleaning solution. Brass is then Roll Sized to provide full length resizing. Brass is then decapped, primer pockets swaged, and reformed to 300 Blackout. The necks are then slightly expanded to provide the proper neck tension with a Lyman M-Die. Brass is then tumbled in stainless steel chips to provide a light deburring and a very clean and shiny finish both inside and outside the brass.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/\" \/>\n<meta property=\"og:site_name\" content=\"Bayou Brass &amp; Ammo\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-13T23:34:27+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/\",\"url\":\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/\",\"name\":\"300 Blackout - Converted 5.56 Lake City Fully Processed Brass (OFB) (500) - Bayou Brass &amp; Ammo\",\"isPartOf\":{\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/rhinowebllc.com\/bayou-brass\/wp-content\/uploads\/2026\/04\/300-BLC-BRS-RMN-300-.jpg\",\"datePublished\":\"2026-04-13T23:34:19+00:00\",\"dateModified\":\"2026-04-13T23:34:27+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/#primaryimage\",\"url\":\"https:\/\/rhinowebllc.com\/bayou-brass\/wp-content\/uploads\/2026\/04\/300-BLC-BRS-RMN-300-.jpg\",\"contentUrl\":\"https:\/\/rhinowebllc.com\/bayou-brass\/wp-content\/uploads\/2026\/04\/300-BLC-BRS-RMN-300-.jpg\",\"width\":900,\"height\":600},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/rhinowebllc.com\/bayou-brass\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/rhinowebllc.com\/bayou-brass\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"300 Blackout &#8211; Converted 5.56 Lake City Fully Processed Brass (OFB) (500)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/rhinowebllc.com\/bayou-brass\/#website\",\"url\":\"https:\/\/rhinowebllc.com\/bayou-brass\/\",\"name\":\"Bayou Brass &amp; Ammo\",\"description\":\"Ammunition &amp; Reloading Services\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/rhinowebllc.com\/bayou-brass\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"300 Blackout - Converted 5.56 Lake City Fully Processed Brass (OFB) (500) - Bayou Brass &amp; Ammo","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/rhinowebllc.com\/bayou-brass\/product\/300-blackout-converted-5-56-lake-city-fully-processed-brass-ofb-500\/","og_locale":"en_US","og_type":"article","og_title":"300 Blackout - Converted 5.56 Lake City Fully Processed Brass (OFB) (500) - Bayou Brass &amp; Ammo","og_description":"300 Blackout - Converted 5.56 NATO\/223 REM - Fully Processed Once Fired Brass (500) We offer our 300 Blackout once fired brass (OFB) converted from; 5.56mm NATO\/223 REM Mixed headstamps. 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