--- title: "FailZero Black M16/M4 Bolt Carrier Group" description: "New black M16/M4 bolt carrier group with a full-auto carrier, black salt bath nitride finish on critical parts, and a chrome-finished firing pin." canonical_url: "https://www.kygunco.com/product/failzero-bolt-carrier-group-m16-m4-no-hammer-black" meta: author: KYGUNCO "og:description": "New black M16/M4 bolt carrier group with a full-auto carrier, black salt bath nitride finish on critical parts, and a chrome-finished firing pin." "og:image": "https://cdn.kygunco.com/assets/products/269315/thumbnail.jpg?v=1731417334" "og:image:height": "500" "og:image:width": "500" "og:title": "FailZero Black M16/M4 Bolt Carrier Group" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Bolt Carrier Group](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/bolt-carrier-group) / FLZ-FZ-NITRIDE-01-NH ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/269315/main.jpg?v=1731417334) For illustration purposes only, this image may not be an exact representation of the product. # FAILZERO Bolt Carrier Group M16/M4 No Hammer Black The FailZero M16/M4 bolt carrier group is an assembled, ready-to-install unit for a mil-spec upper receiver. It features a full-auto carrier, black nitride coating, Black Salt Bath Nitride finishing on critical parts for wear and corrosion resistance, and a chrome-finished firing pin. $105.21 ** 5 interest-free payments of **$21.04** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Selling fast. Limited quantities available. Item # 269315 Style FLZ-FZ-NITRIDE-01-NH UPC 094922014283 Condition New Manufacturer [FailZero](https://www.kygunco.com/brand/failzero) Weight 3 lb The Fail Zero complete bolt carrier is the BCG that you want to put in your rifle. The Fail Zero BCG's are assembled and ready to drop into your mil-spec upper receiver. This particular version is the full auto carrier which features a standard black nitride coating. All criticl parts are Black Salt Bath Nitride Finished in order to provide enhanced durability and increases the overall life for both wear and corrosion resistance. Additionally noteworthy is the fact that this unit comes with a firing pin which features a chrome finish. ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from FailZero ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/failzero-bolt-carrier-group-m16-m4-no-hammer-black#webpage","@type":"WebPage","description":"New black M16/M4 bolt carrier group with a full-auto carrier, black salt bath nitride finish on critical parts, and a chrome-finished firing pin.","name":"FailZero Black M16/M4 Bolt Carrier 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