{"id":1658,"date":"2026-01-24T12:49:11","date_gmt":"2026-01-24T12:49:11","guid":{"rendered":"https:\/\/polymer80firearms.com\/?post_type=product&#038;p=1658"},"modified":"2026-01-24T12:49:30","modified_gmt":"2026-01-24T12:49:30","slug":"type-iii-hard-anodized-billet-ar-15-80-lower-receiver-ambi","status":"publish","type":"product","link":"https:\/\/usaguncenter.com\/polymer80\/product\/type-iii-hard-anodized-billet-ar-15-80-lower-receiver-ambi\/","title":{"rendered":"Type III Hard Anodized Billet AR-15 80% Lower Receiver \u2013 Ambi"},"content":{"rendered":"<div class=\"wc-tab-inner wd-entry-content\">\n<h2>Description:<\/h2>\n<p>The AR15 is one of the most popular platforms for new and veteran builders alike. Experience unparalleled quality with our Type III Hard\u00a0Anodized Ambidextrous AR-15 Lower.\u00a0<\/p>\n<p>Providing a refreshing take on our standard AR15 design, it features contoured cuts, an ambidextrous bolt release, and is also packed with additional adjustment features. All together, coming at the same weight of our slimmer, classic lower!\u00a0<\/p>\n<p>Take advantage of its extremely wide aftermarket support to customize and fully tailor your build. Our high quality lowers are made using industry leading CNC machines which create very tight tolerances.<\/p>\n<p>We manufacture our 80% lower receivers with US sourced aerospace grade 6061 aluminum. The material is more durable, resistant to corrosion, and yet much easier to mill than any other alloy.\u00a0<\/p>\n<h3>Features:\u00a0<\/h3>\n<ul>\n<li>\n<p>CNC Milled 6061 Aluminum Construction<\/p>\n<\/li>\n<li>\n<p>Broached\/Flared Magwell<\/p>\n<\/li>\n<li>\n<p>Integrated Trigger Guard<\/p>\n<\/li>\n<li>\n<p>Threaded Bolt Catch Screw Hole<\/p>\n<\/li>\n<li>\n<p>Threaded Rear Takedown Pin Detent Hole<\/p>\n<\/li>\n<li>\n<p>Fire Selector Engraving<\/p>\n<\/li>\n<li>\n<p>Adjustable Trigger Pre-Travel Takeup<\/p>\n<\/li>\n<li>\n<p>Upper\/Lower Receiver Tensioner<\/p>\n<\/li>\n<li>\n<p>Completed Rear Takedown Lug Pocket<\/p>\n<\/li>\n<li>\n<p>Full Mil-Spec Parts Compatibility<\/p>\n<\/li>\n<li>\n<p>Includes Bolt Catch Screw Set and Ambi Hardware Set<\/p>\n<\/li>\n<\/ul>\n<p><strong>*Please Note:\u00a0<\/strong>Bolt Catch not included, displayed in photos to represent Ambi specific features.\u00a0\u00a0<\/p>\n<p>Check out the\u00a0Instructional Guide\u00a0to see how easy it is to assemble.\u00a0<\/p>\n<p>80 Percent Arms strives to provide the highest level of customer service within the 80% and firearm industry as a whole. We support all of our products with a lifetime warranty* so you can build with confidence.<\/p>\n<p>You can always expect prompt and educational information as customer satisfaction is our bread and butter. For any questions or concerns regarding our products, please contact us at either support@80percentarms.com, (949) 354-2767 or message us via our live chat!<\/p>\n<h3><strong>Shipping Restrictions:\u00a0<\/strong><\/h3>\n<p>This item is restricted from shipping to the following:\u00a0California, Colorado, Connecticut, Delaware, Hawaii, Illinois,\u00a0Maine,\u00a0Maryland,\u00a0Massachusetts, Nevada, New Jersey, New York, Oregon, Rhode Island, Vermont, Washington, Washington D.C., Philadelphia, York City, Reading Pennsylvania, Delaware County Pennsylvania<\/p>\n<p>Under California law, this product is or contains an unserialized \u201cfirearm precursor part\u201d and cannot be sold into the State of California. 80% Arms cannot accept any orders of this product for shipment to the State of California, or to any customer who is a resident of the State of California.<\/p>\n<h3>\u00a0<\/h3>\n<p>\u00a0<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Description: The AR15 is one of the most popular platforms for new and veteran builders alike. Experience unparalleled quality with our Type III Hard\u00a0Anodized Ambidextrous AR-15 Lower.\u00a0 Providing a refreshing take on our standard AR15 design, it features contoured cuts, an ambidextrous bolt release, and is also packed with additional adjustment features. All together, coming [&hellip;]<\/p>\n","protected":false},"featured_media":1688,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","iawp_total_views":0},"product_brand":[23],"product_cat":[22],"product_tag":[],"class_list":{"0":"post-1658","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-polymer80","7":"product_cat-ar-15-80-lower-receivers","9":"first","10":"instock","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Type III Hard Anodized Billet AR-15 80% Lower Receiver \u2013 Ambi - Polymer 80 Firearms - Authorized Polymer80 Distributor<\/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:\/\/usaguncenter.com\/polymer80\/product\/type-iii-hard-anodized-billet-ar-15-80-lower-receiver-ambi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Type III Hard Anodized Billet AR-15 80% Lower Receiver \u2013 Ambi\" \/>\n<meta property=\"og:description\" content=\"Description: The AR15 is one of the most popular platforms for new and veteran builders alike. 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