--- title: "One Horse M16 Nitride Bolt Carrier Group" description: "M16 bolt carrier group for 5.56/.223 and .300 Blackout builds. Includes a nitride-finished bolt, carrier, and cam pin, plus MPI and a staked gas key." canonical_url: "https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo" meta: author: KYGUNCO "og:description": "M16 bolt carrier group for 5.56/.223 and .300 Blackout builds. Includes a nitride-finished bolt, carrier, and cam pin, plus MPI and a staked gas key." "og:image": "https://cdn.kygunco.com/assets/products/304223/thumbnail.jpg?v=1769017492" "og:image:height": "500" "og:image:width": "500" "og:title": "One Horse M16 Nitride 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) / NHR-OH-UBC01 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/304223/main.jpg?v=1769017492) For illustration purposes only, this image may not be an exact representation of the product. # ONE HORSE M16 Nitride Bolt Carrier Group 5.56/300 BLK M16 bolt carrier group for 5.56/.223 and .300 Blackout rifles. Features a full nitride coating, Mil-Spec heat treatment, MPI, a staked gas key, forward assist serrations, and a 9310 tool steel bolt with 8620 AQ steel carrier. $79.34 ** 5 interest-free payments of **$15.87** 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 Item # 304223 Style NHR-OH-UBC01 UPC 850078799081 Condition New Manufacturer [One Horse](https://www.kygunco.com/brand/one-horse) Weight 1 lb Operate your rifle with assurance using this rugged M16 bolt carrier group. Engineered for 5.56/.223 and .300 Blackout platforms, it provides reliable cycling, consistent extraction, and dependable performance across a variety of builds. Finished with a full nitride coating, it offers enhanced durability, superior corrosion resistance, and simplified maintenance. Built to Mil-Spec standards with a properly staked gas key, it’s designed for long-lasting strength and reliability. SPECIFICATIONS - 9310 Tool Steel Bolt - 8620 AQ Steel Carrier - Full MIL-SPEC Heat Treatment - Magnetic Particle Inspection (MPI) - Back of Lugs Chamfered for Reliability - Spring, Insert, & O-Ring Installed on Bolt Extractor - Salt Bath Nitrided Bolt, Carrier & Cam Pin - S7 Extractor - Staked Gas Key with Grade 8 Fasteners - Full Auto Compatible - Forward Assist Serrations - All USA Materials and Manufacturing ** 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 One Horse ```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/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo#webpage","@type":"WebPage","description":"M16 bolt carrier group for 5.56/.223 and .300 Blackout builds. Includes a nitride-finished bolt, carrier, and cam pin, plus MPI and a staked gas key.","name":"One Horse M16 Nitride Bolt Carrier Group","url":"https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo","about":{"@id":"https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo#/schema//kygunco"},"breadcrumb":{"@id":"https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo#breadcrumb"},"isPartOf":{"@id":"https://www.kygunco.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo"]}]},{"@id":"https://www.kygunco.com/#/schema/organization/kygunco","alternateName":"Kentucky Gun Company","currenciesAccepted":"USD","description":"Shop KYGUNCO for firearms, ammo, gun parts, optics, shooting accessories, and outdoor gear with online ordering and shipping options across the U.S.","email":"info@kygunco.com","foundingDate":"1946-01-01","hasMap":"https://www.google.com/maps/dir/?q=place_id:ChIJfwecWCBSaIgRguIjuoPha40","logo":"https://www.kygunco.com/logos/kygunco.svg","name":"KYGUNCO","priceRange":"$$","telephone":"+1-502-348-3594","url":"https://www.kygunco.com","@type":["Organization","LocalBusiness"],"address":{"@type":"PostalAddress","streetAddress":"401 Glenwood Drive","addressLocality":"Bardstown","addressRegion":"KY","postalCode":"40004","addressCountry":"US"},"contactPoint":{"@type":"ContactPoint","contactType":"Customer Service","telephone":"+1-502-348-3594","email":"info@kygunco.com","availableLanguage":"English","hoursAvailable":{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday"],"opens":"09:00","closes":"17:00"}},"geo":{"@type":"GeoCoordinates","latitude":37.8032518,"longitude":-85.4252895},"hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","name":"Standard Return Policy","inStoreReturnsOffered":true,"merchantReturnDays":30,"returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","returnMethod":["https://schema.org/ReturnByMail","https://schema.org/ReturnInStore"],"returnFees":"https://schema.org/FreeReturn","refundType":["https://schema.org/ExchangeRefund","https://schema.org/FullRefund","https://schema.org/StoreCreditRefund"],"applicableCountry":"US"},"hasOfferCatalog":{"@type":"OfferCatalog","name":"KYGUNCO Catalog","url":"https://www.kygunco.com/search"},"image":{"@id":"https://www.kygunco.com/#/schema/image/1"},"knowsAbout":["Firearms sales and transfers","FFL dealers and compliance","Optics and accessories","Outdoor and hunting equipment"],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday","https://schema.org/Saturday"],"opens":"09:00","closes":"18:00"}],"paymentAccepted":["Credit Card","Credova","Sezzle"],"sameAs":["https://x.com/kygunco","https://www.facebook.com/kentuckygunco","https://www.instagram.com/kygunco","https://www.youtube.com/@thekentuckygunco","https://rumble.com/c/KYGUNCO"]},{"@id":"https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo#product","@type":"Product","description":"M16 bolt carrier group for 5.56/.223 and .300 Blackout builds. Includes a nitride-finished bolt, carrier, and cam pin, plus MPI and a staked gas key.","gtin":"850078799081","mpn":"OH-UBC01","name":"One Horse M16 Nitride Bolt Carrier Group","sku":"304223","additionalProperty":[],"brand":{"@type":"Brand","name":"One Horse"},"image":["https://cdn.kygunco.com/assets/products/304223/thumbnail.jpg?v=1769017492"],"mainEntityOfPage":{"@id":"https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo#webpage"},"offers":{"@type":"Offer","availability":"https://schema.org/InStock","price":79.34,"priceCurrency":"USD","url":"https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo","itemCondition":"https://schema.org/NewCondition","priceValidUntil":"2027-12-30T00:00:00.000Z"},"weight":{"@type":"Mass","value":"1 lb"}},{"@id":"https://www.kygunco.com/product/one-horse-m16-nitride-bolt-carrier-group-5.56-300-bo#breadcrumb","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","name":"Home","item":"https://www.kygunco.com","position":1},{"@type":"ListItem","name":"Shooting","item":"https://www.kygunco.com/category/shooting","position":2},{"@type":"ListItem","name":"Gun Parts","item":"https://www.kygunco.com/category/shooting/gun-parts","position":3},{"@type":"ListItem","name":"Handgun & Rifle Parts","item":"https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts","position":4},{"@type":"ListItem","name":"Rifle Parts","item":"https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts","position":5},{"@type":"ListItem","name":"Bolt Carrier Group","item":"https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/bolt-carrier-group","position":6},{"@type":"ListItem","name":"NHR-OH-UBC01","position":7}]},{"@id":"https://www.kygunco.com/#/schema/image/1","@type":"ImageObject","contentUrl":"https://cdn.kygunco.com/assets/backdrops/facade.jpg","inLanguage":"en","url":"https://cdn.kygunco.com/assets/backdrops/facade.jpg"}]} ``` ## Sitemap See the full [sitemap](https://www.kygunco.com/sitemap.md) for all pages.