--- title: "Ballistic Advantage 5.56 Barrel 13.9\" Mid Length" description: "13.9\" 5.56 NATO barrel with mid-length gas system, 1:7 twist, and QPQ corrosion-resistant finish. Features a 1/2x28 threaded muzzle." canonical_url: "https://www.kygunco.com/product/ballistic-advantage-babl556035m-modern-series-5.56-13.9-mid-length-black" meta: author: KYGUNCO "og:description": "13.9\" 5.56 NATO barrel with mid-length gas system, 1:7 twist, and QPQ corrosion-resistant finish. Features a 1/2x28 threaded muzzle." "og:image": "https://cdn.kygunco.com/assets/products/215828/thumbnail.jpg?v=1713456303" "og:image:height": "500" "og:image:width": "500" "og:title": "Ballistic Advantage 5.56 Barrel 13.9\" Mid Length" --- > 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) / [Rifle Barrels](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/rifle-barrels) / BLL-BABL556035M ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/215828/main.jpg?v=1713456303) For illustration purposes only, this image may not be an exact representation of the product. # BALLISTIC ADVANTAGE Modern Series 5.56 13.9" Mid Length - Black Ballistic Advantage Modern Series 5.56 barrel with a 13.9" government profile, mid-length gas system, and 1:7 twist. It is machined from 4150 Chrome Moly Vanadium steel and finished with QPQ corrosion resistance, with a QPQ coated M4 feed ramp extension, 1/2x28 threaded muzzle, and .750" gas block journal. $161.50 ** 5 interest-free payments of **$32.30** 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 Selling fast. Limited quantities available. Item # 215828 Style BLL-BABL556035M UPC 819747020314 Condition New Manufacturer [Ballistic Advantage](https://www.kygunco.com/brand/ballistic-advantage) Weight 2 lb Barrel Length 13.9 in ### Ballistic Advantage Modern Series 5.56 13.9" Mid Length - Black Ballistic Advantage's 5.56 chambered 13.9 inch Government Profile Mid-length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. It has a twist rate of 1:7 inches, a mid-length gas system length, a 1/2x28 threaded muzzle, and a .750" gas block journal. **SPECIFICATIONS** - - Model: Modern Series - Type: Barrel - Caliber: 556NATO - Barrel Length: 13.9" - Type of Barrel: 1:7 - Subcategory: Barrels - Finish: QPQ Corrosion Resistant ** 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 Ballistic Advantage ```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/ballistic-advantage-babl556035m-modern-series-5.56-13.9-mid-length-black#webpage","@type":"WebPage","description":"13.9\" 5.56 NATO barrel with mid-length gas system, 1:7 twist, and QPQ corrosion-resistant finish. 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