--- title: "Remington 300 Blackout Subsonic 220gr Ammunition" description: "Subsonic 300 AAC Blackout ammo with 220 grain Open Tip Flat Base bullets. Listed muzzle velocity is 940, with 20 rounds per box and a 0.68 BC." canonical_url: "https://www.kygunco.com/product/remington-ammo-s300aac4-300-aac-blackout-subsonic-otfb-220gr-20rd" meta: author: KYGUNCO "og:description": "Subsonic 300 AAC Blackout ammo with 220 grain Open Tip Flat Base bullets. Listed muzzle velocity is 940, with 20 rounds per box and a 0.68 BC." "og:image": "https://cdn.kygunco.com/assets/products/143580/thumbnail.jpg?v=1713453657" "og:image:height": "500" "og:image:width": "500" "og:title": "Remington 300 Blackout Subsonic 220gr Ammunition" --- > 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) / RMN-28430 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/143580/main.jpg?v=1713453657) For illustration purposes only, this image may not be an exact representation of the product. # REMINGTON Subsonic 300 AAC Blackout 220gr Open Tip Flat Base Ammunition | 20 Rounds Subsonic 300 AAC Blackout ammunition from Remington with 220 grain Open Tip Flat Base bullets. Built for quiet shooting with tight velocity control to help avoid supersonic cracks, and packaged in 20-round boxes. Muzzle velocity is listed at 940 with a ballistic coefficient of 0.68. $29.79 --- $1.49 per round ** 4 interest-free payments of **$7.45** 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 ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 143580 Style RMN-28430 UPC 047700479903 Condition New Manufacturer [Remington](https://www.kygunco.com/brand/remington) Units Per Box 20 Caliber 300 AAC Blackout Weight 0.51 lb Remington Subsonic is the result of a collaboration between AAC and Remington to deliver quiet ammunition designed to maximize the effectiveness of the silencer. This ammunition caters to the silencer user or anyone just wanting a dependable and consistent subsonic load that does not produce supersonic cracks. All offerings are specifically designed for optimal performance when paired with a silencer. Tight velocity control to eliminate supersonic cracks. FNEB & OTFB bullets to eliminate exposed lead on the heel to eliminate leading in silencer ports. Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. - Caliber: 300 Blackout - Bullet Weight: 220 Grain - Bullet Style: Open Tip Flat Base - Muzzle Velocity: 940 - Ballistic Coefficient: 0.68 - Package Quantity: 20 - Usage: Target Shooting ** 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 300 AAC Blackout 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/remington-ammo-s300aac4-300-aac-blackout-subsonic-otfb-220gr-20rd#webpage","@type":"WebPage","description":"Subsonic 300 AAC Blackout ammo with 220 grain Open Tip Flat Base bullets. 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