--- title: "Springfield Armory Kuna .40 S&W Pistol With Folding Brace" description: "Compact .40 S&W pistol with roller-delayed operation, 6\" Melonite-finished barrel, folding FSA brace, M-LOK handguard, and two 10-round magazines." canonical_url: "https://www.kygunco.com/product/springfield-armory-kuna-40-sw-6.125-pistol-w-fsa-blk" meta: author: KYGUNCO "og:description": "Compact .40 S&W pistol with roller-delayed operation, 6\" Melonite-finished barrel, folding FSA brace, M-LOK handguard, and two 10-round magazines." "og:image": "https://cdn.kygunco.com/assets/products/282777/thumbnail.jpg?v=1785354545" "og:image:height": "500" "og:image:width": "500" "og:title": "Springfield Armory Kuna .40 S&W Pistol With Folding Brace" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Brands](https://www.kygunco.com/brands) / [Springfield Armory](https://www.kygunco.com/brand/springfield-armory) / SPR-KN90640B-FSA ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/282777/main.jpg?v=1785354545) For illustration purposes only, this image may not be an exact representation of the product. # SPRINGFIELD ARMORY Kuna 40 S&W 6.125" Pistol w/FSA Blk The Springfield Armory Kuna is a compact .40 S&W pistol with a roller-delayed operating system, 6" cold hammer-forged barrel, Strike Industries FSA folding brace, ambidextrous safety, reversible non-reciprocating charging handle, M-LOK handguard, and hybrid flip-up sights. It includes two 10-round magazines. See Price In Cart ** 5 interest-free payments of **$228.60** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$140.03**/month with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** 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. Selling fast. Limited quantities available. Item # 282777 Style SPR-KN90640B-FSA UPC 706397988975 Condition New Manufacturer [Springfield Armory](https://www.kygunco.com/brand/springfield-armory) Model KUNA Caliber 40 S&W Action Semi-Auto Barrel Length 6.1 in The Springfield Armory Kuna .40 S&W FSA is a compact roller-delayed pistol engineered to deliver exceptional stability, reduced recoil, and fast handling in a highly portable package. Equipped with a Strike Industries FSA folding brace, threaded cold hammer-forged barrel, and fully ambidextrous controls, it offers a versatile platform optimized for defensive use, training, and recreational shooting. FEATURES - Roller-delayed operating system - Strike Industries FSA folding brace - Hybrid flip-up sights - Monolithic aluminum upper receiver - Integral M-LOK handguard - Multi-port muzzle brake - Ambidextrous safety - Reversible charging handle - Non-reciprocating charging handle - Flat aluminum trigger - Integrated Picatinny rear end plate - AR-pattern grip with adaptive grip texture - Type III hardcoat anodized upper receiver - Metal-feed-lip magazine construction SPECIFICATIONS - Caliber: .40 S&W - Capacity: 10+1 - Barrel Length: 6" - Barrel Material: Cold Radial Hammer Forged Steel - Barrel Finish: Melonite - Twist Rate: 1:10 - Thread Pattern: 9/16x24 - Upper Receiver Material: Aluminum - Lower Receiver Material: Glass-Filled Polymer - Magazine Capacity: 10 Rounds - Magazines Included: 2 - Weight: 5 lbs. 5 oz. ** 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/springfield-armory-kuna-40-sw-6.125-pistol-w-fsa-blk#webpage","@type":"WebPage","description":"Compact .40 S&W pistol with roller-delayed operation, 6\" Melonite-finished barrel, folding FSA brace, M-LOK handguard, and two 10-round magazines.","name":"Springfield Armory Kuna .40 S&W Pistol With Folding 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