--- title: "SIG SAUER P320 40S357SW 18rd Magazine Full-Size" canonical_url: "https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/138840/thumbnail.jpg?v=1713453820" "og:image:height": "500" "og:image:width": "500" "og:title": "SIG SAUER P320 40S357SW 18rd Magazine Full-Size" --- > 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) / [Magazines](https://www.kygunco.com/category/shooting/gun-parts/magazines) / [Handgun Magazines](https://www.kygunco.com/category/shooting/gun-parts/magazines/handgun-magazines) / SGS-MAG-MOD-F-43-18 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/138840/main.jpg?v=1713453820) For illustration purposes only, this image may not be an exact representation of the product. # SIG SAUER P320 40S357SW 18rd Magazine Full-Size $45.08 ** 4 interest-free payments of **$11.27** 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 # 138840 Style MAG-MOD-F-43-18 UPC 798681561018 Condition New Manufacturer [Sig Sauer](https://www.kygunco.com/brand/sig-sauer) Round Capacity 18 Caliber 357 SIG, 40 S&W Weight 2 lb This magazine is designed for the Sig Sauer P320 full sized. It features an 18 round capacity and works with .40 Auto and 357 Sig ammunition. ** 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 Sig Sauer ```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-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size#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 P320 40S357SW 18rd Magazine Full-Size","url":"https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size","about":{"@id":"https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size#/schema//kygunco"},"breadcrumb":{"@id":"https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size#breadcrumb"},"isPartOf":{"@id":"https://www.kygunco.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size"]}]},{"@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-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size#product","@type":"Product","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","gtin":"798681561018","mpn":"MAG-MOD-F-43-18","name":"SIG SAUER P320 40S357SW 18rd Magazine Full-Size","sku":"138840","additionalProperty":[{"@type":"PropertyValue","name":"Round Capacity","value":"18"},{"@type":"PropertyValue","name":"Caliber","value":"357 SIG, 40 S&W"}],"brand":{"@type":"Brand","name":"Sig Sauer"},"image":["https://cdn.kygunco.com/assets/products/138840/thumbnail.jpg?v=1713453820"],"mainEntityOfPage":{"@id":"https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size#webpage"},"offers":{"@type":"Offer","availability":"https://schema.org/InStock","price":45.08,"priceCurrency":"USD","url":"https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size","itemCondition":"https://schema.org/NewCondition","priceValidUntil":"2027-12-30T00:00:00.000Z"},"weight":{"@type":"Mass","value":"2 lb"}},{"@id":"https://www.kygunco.com/product/sig-sauer-mag-mod-f-43-18-p320-40sw-357sw-18rd-magazine-full-size#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":"Magazines","item":"https://www.kygunco.com/category/shooting/gun-parts/magazines","position":4},{"@type":"ListItem","name":"Handgun Magazines","item":"https://www.kygunco.com/category/shooting/gun-parts/magazines/handgun-magazines","position":5},{"@type":"ListItem","name":"SGS-MAG-MOD-F-43-18","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.