--- title: "FailZero M16/M4 Bolt Carrier Group Nickel Boron" description: "Fully assembled bolt carrier group for most mil spec M16, M4, or AR15 upper receivers. EXO nickel boron coating adds dry lubricity and corrosion resistance." canonical_url: "https://www.kygunco.com/product/failzero-fz-m16-nh-m16-m4-bolt-carrier-group-no-hammer-nickel" meta: author: KYGUNCO "og:description": "Fully assembled bolt carrier group for most mil spec M16, M4, or AR15 upper receivers. EXO nickel boron coating adds dry lubricity and corrosion resistance." "og:image": "https://cdn.kygunco.com/assets/products/155707/thumbnail.jpg?v=1713453883" "og:image:height": "500" "og:image:width": "500" "og:title": "FailZero M16/M4 Bolt Carrier Group Nickel Boron" --- > 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-M16-NH ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/155707/main.jpg?v=1713453883) For illustration purposes only, this image may not be an exact representation of the product. # FAILZERO Bolt Carrier Group M16/M4 No Hammer Fully Assemble FailZero M16/M4 bolt carrier group comes fully assembled and ready for most mil spec M16, M4, or AR15 upper receivers. It features EXO nickel boron coating, dry lubricity, and added wear and corrosion resistance. $128.52 ** 5 interest-free payments of **$25.70** 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 # 155707 Style FLZ-FZ-M16-NH UPC 881314861781 Condition New Manufacturer [FailZero](https://www.kygunco.com/brand/failzero) Weight 3 lb FailZero, M16/M4 Bolt Carrier Group, No Hammer, Completely Assembled, EXO Nickel Boron Coated, Nickel Finish - Nickel Boron treated - Extreme durability - Dry lubricity - Corrosion resistant This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. ** 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-fz-m16-nh-m16-m4-bolt-carrier-group-no-hammer-nickel#webpage","@type":"WebPage","description":"Fully assembled bolt carrier group for most mil spec M16, M4, or AR15 upper receivers. 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