--- title: "Armscor 223 Rem FMJ Brass 20-Round" description: "Centerfire rifle ammunition in .223 Remington/5.56 NATO with a 55 gr FMJ bullet. Includes 20 brass-cased rounds with 3100 fps muzzle velocity." canonical_url: "https://www.kygunco.com/product/armscor-fac2231n-223-rem-5.56-nato-55-gr-fmj-20rd-brass" meta: author: KYGUNCO "og:description": "Centerfire rifle ammunition in .223 Remington/5.56 NATO with a 55 gr FMJ bullet. Includes 20 brass-cased rounds with 3100 fps muzzle velocity." "og:image": "https://cdn.kygunco.com/assets/products/128674/thumbnail.jpg?v=1713444890" "og:image:height": "500" "og:image:width": "500" "og:title": "Armscor 223 Rem FMJ Brass 20-Round" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Ammunition](https://www.kygunco.com/category/ammunition) / [Rifle Ammo](https://www.kygunco.com/category/ammunition/rifle-ammo) / RMS-FAC223-1N ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/128674/main.jpg?v=1713444890) For illustration purposes only, this image may not be an exact representation of the product. # ARMSCOR 223 Rem/5.56 NATO 55 Gr FMJ 20rd Brass Armscor centerfire rifle ammunition in .223 Remington/5.56 NATO with a 55 gr full metal jacket bullet. This 20-round box uses brass casing and lists 3100 fps muzzle velocity and 1323 ft lbs muzzle energy. $12.55 --- $0.63 per round 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 ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 128674 Style RMS-FAC223-1N UPC 812285020136 Condition New Manufacturer [Armscor](https://www.kygunco.com/brand/armscor) Units Per Box 20 Caliber 5.56 NATO Weight 1.5 lb Reliable and cost-effective, Armscor .223 Remington/5.56 NATO 55 grain Full Metal Jacket ammunition is built for consistent performance in both recreational shooting and training applications. Featuring quality brass casings and dependable primers, this ammunition delivers smooth feeding, clean firing, and consistent velocities for a wide range of rifles chambered in .223 Remington or 5.56 NATO. FEATURES - 55 grain full metal jacket projectile for reliable feeding and consistent performance - Brass casing supports reloadability and dependable extraction - Designed for target shooting, training, and general range use - Consistent muzzle velocity and energy for predictable results - Compatible with rifles chambered in .223 Remington and 5.56 NATO - Manufactured to maintain quality and reliability across each round SPECIFICATIONS - Caliber: .223 Remington / 5.56 NATO - Bullet Weight: 55 Grain - Bullet Type: Full Metal Jacket (FMJ) - Muzzle Velocity: 3100 fps - Muzzle Energy: 1323 ft-lbs - Case Material: Brass - Rounds Per Box: 20 - Category: Centerfire Rifle 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 ## Shop 5.56 NATO Firearms ```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/armscor-fac2231n-223-rem-5.56-nato-55-gr-fmj-20rd-brass#webpage","@type":"WebPage","description":"Centerfire rifle ammunition in .223 Remington/5.56 NATO with a 55 gr FMJ bullet. 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