--- title: "SIG SAUER SIG MCX 5.56 NATO 5.5\" 30rd - Black" canonical_url: "https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/282996/thumbnail.jpg?v=1742825012" "og:image:height": "500" "og:image:width": "500" "og:title": "SIG SAUER SIG MCX 5.56 NATO 5.5\" 30rd - Black" --- > 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) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Class III](https://www.kygunco.com/category/shooting/guns/class-iii) / [Short Barrel Rifles](https://www.kygunco.com/category/shooting/guns/class-iii/short-barrel-rifles) / SGS-WRMCX-5B-TAP-SBR ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/282996/main.jpg?v=1742825012) For illustration purposes only, this image may not be an exact representation of the product. # SIG SAUER SIG MCX 5.56 NATO 5.5" 30rd - Black $2,379.99 ** 5 interest-free payments of **$476** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. [** Qualified Professionals Only Learn more about KYGUNCO's Qualified Professional program.**](https://www.kygunco.com/page/qualified-professionals) ** NFA / Class 3 NFA transfer requirements vary by product and location. Additional documentation, approvals, or a qualified dealer may be required. Check local and state regulations to ensure eligibility and compliance before purchasing. ** Ships To FFL Dealer Handled by our expert shippers in Bardstown, KY. ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 282996 Style WRMCX-5B-TAP-SBR UPC 798681609925 Condition New Manufacturer [Sig Sauer](https://www.kygunco.com/brand/sig-sauer) Model SIG MCX Round Capacity 30 Caliber 5.56 NATO Action Semi-Auto Barrel Length 5.5 in Rapid deployment, thin, agile, and precise. This is the Sig Sauer MCX Rattler. Featuring a PDW barrel, the Sig MCX platform has never been more compact or accessible out of all Sig Sauer guns for sale. Ready to go where-ever it's needed, this Sig Sauer MCX Rattler for sale has a thin, foldable stock for easy concealment and stowage. This Sig Sauer rifle was designed from the ground up to be as discrete as possible while retaining all the capabilities of the MCX. Free-floating M-LOK handguards matched with a PDW upper and a PDW Ultra Thin Folding Aluminum Stock, the MCX Rattler SBR is the ideal choice for fast-moving operators. - Hammer forged carbon steel barrel and three pronged flash hider - Features the Sig Enhanced Trigger - Ambidextrous AR-style controls and dual-paddle bolt-release - M1913 rail from charging handle to muzzle - Two position gas regulator for suppressed or unsuppressed fire - 3 position telescoping arm brace (PSB) or folding stock (SBR) Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. ** 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 ## Don't Forget Your Ammo ```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/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"SIG SAUER SIG MCX 5.56 NATO 5.5\" 30rd - Black","url":"https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black","about":{"@id":"https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black#/schema//kygunco"},"breadcrumb":{"@id":"https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black#breadcrumb"},"isPartOf":{"@id":"https://www.kygunco.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black"]}]},{"@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/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black#product","@type":"Product","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","gtin":"798681609925","mpn":"WRMCX-5B-TAP-SBR","name":"SIG SAUER SIG MCX 5.56 NATO 5.5\" 30rd - Black","sku":"282996","additionalProperty":[{"@type":"PropertyValue","name":"Model","value":"SIG MCX"},{"@type":"PropertyValue","name":"Round Capacity","value":"30"},{"@type":"PropertyValue","name":"Caliber","value":"5.56 NATO"},{"@type":"PropertyValue","name":"Action","value":"Semi-Auto"},{"@type":"PropertyValue","name":"Barrel Length","value":"5.5 in"}],"brand":{"@type":"Brand","name":"Sig Sauer"},"image":["https://cdn.kygunco.com/assets/products/282996/thumbnail.jpg?v=1742825012"],"mainEntityOfPage":{"@id":"https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black#webpage"},"offers":{"@type":"Offer","availability":"https://schema.org/OutOfStock","price":2379.99,"priceCurrency":"USD","url":"https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black","itemCondition":"https://schema.org/NewCondition","priceValidUntil":"2027-12-30T00:00:00.000Z"}},{"@id":"https://www.kygunco.com/product/sig-sauer-sig-mcx-5.56-nato-5.5-30rd-black#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":"Guns","item":"https://www.kygunco.com/category/shooting/guns","position":3},{"@type":"ListItem","name":"Class III","item":"https://www.kygunco.com/category/shooting/guns/class-iii","position":4},{"@type":"ListItem","name":"Short Barrel Rifles","item":"https://www.kygunco.com/category/shooting/guns/class-iii/short-barrel-rifles","position":5},{"@type":"ListItem","name":"SGS-WRMCX-5B-TAP-SBR","position":6}]},{"@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.