{"id":3481,"date":"2026-02-25T00:23:31","date_gmt":"2026-02-25T00:23:31","guid":{"rendered":"https:\/\/c3junkie.com\/?post_type=product&p=3481"},"modified":"2026-03-28T16:33:19","modified_gmt":"2026-03-28T16:33:19","slug":"9mm-cmmg-fe-retrofit-kit-with-8-416r-stainless-barrel","status":"publish","type":"product","link":"https:\/\/c3junkie.com\/?product=9mm-cmmg-fe-retrofit-kit-with-8-416r-stainless-barrel","title":{"rendered":"9mm CMMG FE Retrofit kit with 8″ 416R stainless barrel"},"content":{"rendered":"

Note that these uppers are billet and most rails with anti-rotation ‘tabs’ do not fit.\u00a0 BCM is an exception and work fine.\u00a0 I also carry Griffin Armament rails that do not have any anti-rotation tabs that work fine as well.<\/p>\n

I have complete uppers listed here:\u00a0https:\/\/c3junkie.com\/?product_cat=uppers<\/a><\/p>\n

It is hard to anticipate what each person wants so please contact me if there is some permutation that you are looking for that I do not list.<\/p>\n","protected":false},"excerpt":{"rendered":"

Note that these uppers are billet and most rails with anti-rotation ‘tabs’ do not fit.\u00a0 BCM is an exception and work fine.\u00a0 I also carry Griffin Armament rails that do not have any anti-rotation tabs that work fine as well. I have complete uppers listed here:\u00a0https:\/\/c3junkie.com\/?product_cat=uppers It is hard to anticipate what each person wants …<\/p>\n

9mm CMMG FE Retrofit kit with 8″ 416R stainless barrel<\/span> Read More »<\/a><\/p>\n","protected":false},"featured_media":3482,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[40],"product_tag":[],"class_list":{"0":"post-3481","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cmmg-fe-retrofit-kit-barrel","8":"first","9":"outofstock","10":"sale","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/c3junkie.com\/index.php?rest_route=\/wp\/v2\/product\/3481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/c3junkie.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/c3junkie.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/c3junkie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3481"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/c3junkie.com\/index.php?rest_route=\/wp\/v2\/media\/3482"}],"wp:attachment":[{"href":"https:\/\/c3junkie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3481"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/c3junkie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=3481"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/c3junkie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=3481"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/c3junkie.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=3481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}