Brand new assembled uppers in house using the following parts.<\/p>\n
– Colt Assembled Keyhole marked upper receiver.
\n– Proof Research 14.5\u201d 1:7.5 Twist 6mm Arc barrel & gas tube.
\n– Centurion Gas Block.
\n– Geissele MK16 13.5\u201d DDC MLOK rail.<\/p>\n
Barrel was custom cerakoted armorers black by CGC Cerakote here in Texas.<\/p>\n
Price is per upper.<\/p>\n
Add a charging handle, BCG, and muzzle device & it will be complete. If you order any of those additional parts and want it installed prior to shipping, just state \u201cplease assemble\u201d in order notes. Assembly is free<\/p>\n
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Brand new assembled uppers in house using the following parts. – Colt Assembled Keyhole marked upper receiver. – Proof Research…<\/p>\n","protected":false},"featured_media":9268,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":""},"product_brand":[],"product_cat":[44],"product_tag":[],"class_list":["post-9267","product","type-product","status-publish","has-post-thumbnail","product_cat-complete-upper-receivers","product_shipping_class-usps-tx-15","first","outofstock","taxable","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product\/9267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/comments?post=9267"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/media\/9268"}],"wp:attachment":[{"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/media?parent=9267"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=9267"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=9267"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/onyxarms.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=9267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}