--- title: "SIG SAUER MCX Spear LT 300 AAC Blackout 9\" 30rd - Coyote Tan" canonical_url: "https://www.kygunco.com/product/sig-sauer-mcx-spear-lt-300-aac-blackout-9-30rd-coyote-tan" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/276183/thumbnail.jpg?v=1741619691" "og:image:height": "500" "og:image:width": "500" "og:title": "SIG SAUER MCX Spear LT 300 AAC Blackout 9\" 30rd - Coyote Tan" --- > 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-RMCX-300B-9B-IR-SBR ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/276183/main.jpg?v=1741619691) For illustration purposes only, this image may not be an exact representation of the product. # SIG SAUER MCX Spear LT 300 AAC Blackout 9" 30rd - Coyote Tan $2,499.99 ** 5 interest-free payments of **$500** 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. ** 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. Item # 276183 Style RMCX-300B-9B-IR-SBR Condition New Manufacturer [Sig Sauer](https://www.kygunco.com/brand/sig-sauer) Model MCX Spear LT Hand Ambi Finish Tan Round Capacity 30 Caliber 300 AAC Blackout Weight 8 lb Action Semi-Auto Barrel Length 9 in The Sig Sauer MCX SPEAR-LT SBR in .300 Blackout is the latest evolution of the MCX platform, delivering enhanced performance, versatility, and durability. Designed with feedback from professional users, this SBR features a 9" carbon steel barrel with a 1:5 twist, optimized for suppressed and unsuppressed operation. The lightweight ergonomic handguard and ambidextrous controls make it suitable for dynamic and precision shooting scenarios. Finished with an IR signature-reducing FDE Cerakote, the MCX SPEAR-LT meets the demands of modern tactical environments. **FEATURES** - SIG QD Suppressor-Ready Flash Hider - Modular Design with Interchangeable Barrels - Optimized for Suppressed and Unsuppressed Use **SPECIFICATIONS** - Barrel Twist: 1:5 - Thread Pattern: 5/8x24 (Suppressor Ready) - Finish: IR Signature-Reducing FDE Cerakote - Weight: 6.4 lbs - Stock: Folding Minimalist Plus Stock - Grip: AR-15 Compatible - Handguard: Lightweight Ergonomic M-LOK - Trigger: SIG Flat Blade Match Trigger - Controls: Fully Ambidextrous ** 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-mcx-spear-lt-300-aac-blackout-9-30rd-coyote-tan#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 MCX Spear LT 300 AAC Blackout 9\" 30rd - Coyote Tan","url":"https://www.kygunco.com/product/sig-sauer-mcx-spear-lt-300-aac-blackout-9-30rd-coyote-tan","about":{"@id":"https://www.kygunco.com/product/sig-sauer-mcx-spear-lt-300-aac-blackout-9-30rd-coyote-tan#/schema//kygunco"},"breadcrumb":{"@id":"https://www.kygunco.com/product/sig-sauer-mcx-spear-lt-300-aac-blackout-9-30rd-coyote-tan#breadcrumb"},"isPartOf":{"@id":"https://www.kygunco.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://www.kygunco.com/product/sig-sauer-mcx-spear-lt-300-aac-blackout-9-30rd-coyote-tan"]}]},{"@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-mcx-spear-lt-300-aac-blackout-9-30rd-coyote-tan#product","@type":"Product","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","mpn":"RMCX-300B-9B-IR-SBR","name":"SIG SAUER MCX Spear LT 300 AAC Blackout 9\" 30rd - 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