--- title: "Buffalo Bore Heavy 10mm Outdoorsman 220gr FN 20rd" description: "Heavy 10mm Outdoorsman ammunition with a 220gr hard cast flat nose bullet, listed 1200 fps muzzle velocity, and 20 rounds per box." canonical_url: "https://www.kygunco.com/product/buffalo-bore-10mm-220-gr-outdoorsman-hard-cast-fn-20rd" meta: author: KYGUNCO "og:description": "Heavy 10mm Outdoorsman ammunition with a 220gr hard cast flat nose bullet, listed 1200 fps muzzle velocity, and 20 rounds per box." "og:image": "https://cdn.kygunco.com/assets/products/145140/thumbnail.jpg?v=1758198229" "og:image:height": "500" "og:image:width": "500" "og:title": "Buffalo Bore Heavy 10mm Outdoorsman 220gr FN 20rd" --- > 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) / [Handgun Ammo](https://www.kygunco.com/category/ammunition/handgun-ammo) / BFF-21C/20 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/145140/main.jpg?v=1758198229) For illustration purposes only, this image may not be an exact representation of the product. # Buffalo Bore Heavy 10mm Outdoorsman 220gr Hard Cast FN 20rd Buffalo Bore Heavy 10mm Outdoorsman ammunition is loaded with a 220 grain hard cast flat nose bullet and packaged in a 20-round box. This load has a listed muzzle velocity of 1200 fps and muzzle energy of 703 ft-lbs. $37.99 --- $1.90 per round ** 4 interest-free payments of **$9.50** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store [** KYGUNCO Bardstown 401 Glenwood Drive, Bardstown KY](https://www.google.com/maps/dir/?q=place_id:ChIJfwecWCBSaIgRguIjuoPha40) [** KYGUNCO Louisville 2301 Nelson Miller Parkway, Louisville KY](https://www.google.com/maps/dir/?q=place_id:ChIJu1yzo5WZaYgRU5lrq2lQNhI) Item # 145140 Style BFF-21C/20 UPC 651815021034 Condition New Manufacturer [Buffalo Bore](https://www.kygunco.com/brand/buffalo-bore) Units Per Box 20 Caliber 10mm Weight 1 lb ### [Heavy 10MM Outdoorsman Handgun Ammunition](https://www.buffalobore.com/index.php?l=product_detail&p=394) Item 21C (a 220gr. Hard Cast plain based LFN) is the absolute heaviest bullet that can be fired through 10MM pistols. With its flat nose, it will penetrate straight and very deeply into muscle and bone. Straight line penetration into living tissue will exceed three feet. Item 21C is designed for all 10mm pistols that are in ordinary working condition. ** 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 10mm 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/buffalo-bore-10mm-220-gr-outdoorsman-hard-cast-fn-20rd#webpage","@type":"WebPage","description":"Heavy 10mm Outdoorsman ammunition with a 220gr hard cast flat nose bullet, listed 1200 fps muzzle velocity, and 20 rounds per box.","name":"Buffalo Bore Heavy 10mm Outdoorsman 220gr FN 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