Apex Ammunition
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Discover Apex Ammunition's high-performance TSS shotshells. Veteran-owned and American-made, our non-toxic loads deliver precision for hunting.
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Ammunition Manufacturers
Last updated: September 2026
This directory lists 50 ammunition manufacturers across the United States, from specialized custom load developers focusing on match-grade precision rounds to high-volume producers of duty-grade tactical ammunition.
Buyers frequently grapple with challenges such as achieving consistent ballistic coefficients across large batches, ensuring strict lot traceability for critical applications, or managing the intricate balance of flash suppressants and propellant burn rates to optimize performance in specific firearms platforms. These are not just assembly tasks; they require deep expertise in materials science and complex manufacturing processes unique to ammunition.
Suppliers in this space vary significantly, encompassing everything from boutique operations specializing in exotic calibers and custom handloading services for competitive shooters, to large-scale operations with automated lines producing millions of SAAMI-compliant rounds for the commercial market, and dedicated defense contractors adhering strictly to MIL-SPEC requirements for government contracts.
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Company Directory
50 companies nationwide
Company
Location
Description
Contact
Atomic Ammunition
Phoenix, AZ
Atomic Ammo manufactures subsonic, match-grade, and defensive rifle & handgun ammunition in the USA. $151.00 – $1,201.00. Made in the USA for hunting,
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Barnes Bullets
Mona, UT
Barnes Bullets, based in Mona, UT, manufactures advanced all-copper hunting bullets and ammunition. The company specializes in precision components for hunting, personal defense, and match/target shooting. Since 1932, they have engineered ballistic innovations for hunters and shooters.
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Boss Shotshells
Stevensville, MI
Deadlier by design. Boss Shotshells engineers high-performance non-toxic shotshells built for waterfowl, turkey, target shooting, and serious hunters.
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Defender Ammunition
Raeford, NC
Shop Defender Ammunition Company online for all your ammunition needs: rifle calibers, pistol calibers, reloading components, and more. Manufactured in the USA.
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Detroit Ammo Co.
South Lyon, MI
Shop Subsonic Ammunition at Detroit Ammo Co. Find the perfect ammunition to suit your needs today. In stock and ready to ship.
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Fiocchi Ammunition
Ozark, MO
Based in Ozark, Missouri, Fiocchi Ammunition manufactures high-quality shotshell, centerfire, and rimfire ammunition. Founded in Italy in 1876, the company combines its long-standing Italian lineage with American ingenuity to provide a diverse range of products for the North American market.
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Freedom Munitions
Inglewood, CA
High-quality, USA-made ammo for sale online, including bulk orders! Get new and remanufactured rounds at great prices. Shop 9mm, 223, 380,45, 10mm,
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General Dynamics Ordnance and Tactical Systems
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General Dynamics Ordnance and Tactical Systems produces high-quality, high performance medium caliber ammunition from 20mm to 40mm for a broad spectrum of land,
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Hornady Manufacturing, Inc
Grand Island, NE
Based in Grand Island, NE, Hornady Manufacturing, Inc. designs and produces high-performance bullets, ammunition, reloading tools, and shooting accessories. The company emphasizes consistent quality and accuracy, serving shooters and hunters with products built for exceptional terminal performance.
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HSM Ammunition
Stevensville, MT
Precision You Can Trust Since 1968. High-precision ammo made in Montana for hunters, sport shooters and professionals who demand consistency in every round.
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Lehigh Defense
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Lehigh Defense, LLC. - A leading manufacturer of top quality bullets.
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North American Ammunition Company
Jenison, MI
Hand crafted Custom Ammunition using Premium Components. Full Custom Ammo, Semi-Custom Ammo, House Loads, Load Development, Reloading, Brass Prep.
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Northrop Grumman
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Northrop Grumman's medium caliber ammunition provides accurate, reliable, and effective defeat against a variety of targets.
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Pendleton Ammunition
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Pendleton Ammunition manufactures premium handcrafted ammunition ・ can be custom loaded ・ call us at to order your custom ammo shipped.
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Phantom Defense
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Shop subsonic ammo built for suppressed shooting and terminal performance. Explore 300 Blackout, 8.6 Blackout, 308, 458 SOCOM, 338 Spectre,
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Pinnacle Precision
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Professional-grade ammunition built for law enforcement. FBI-tested, precision loaded, and backed by live ballistic data. Made in the USA.
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PolyFrang
Arrowhead, CA
PolyFrang LLC - Unlocking Innovation: Metal Impregnated Polymer Frangible Ammunition is for use in training, defense and duty applications.
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Precision Delta
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Proudly made in the USA, Precision Delta keeps product inventory up to date with In Stock Products and ships all orders free via Fed Ex. WANT TO KNOW WHAT'S IN.
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Precision One Ammunition
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Precision One Ammunition manufacturer in Charleston SC offers new and remanufactured ammunition, bulk ammo, brass, firearm accessories and more.
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Pro Loading
Stevensville, MT
Pro-Loading manufactures all of our center fire ammunition right here in the USA whether under our customers Private Label or our branding. No customer request.
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True Velocity
Garland, TX
True Velocity is redefining the future of defense through advanced, global licensing solutions. Our ecosystem delivers next-generation, recoil mitigated weapon.
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Underwood Ammo
Sparta, IL
Underwood Ammo has flat rate shipping on a wide selection of premium ammunition. Shop today for specialized self-defense and hunting ammo and more.
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MSM North America
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MSM North America, Part of the CSG Group, Wins U.S. Army Contract to Build the Most Advanced Ammunition Loading Facility in North America. Medium&Large Ammo.
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Divide Gun Company
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Divide Gun Company Ammunition is hand-loaded in the USA and tailored for peak accuracy and performance. Shop custom rifle ammo online here.
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American Rheinmetall Munitions
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American Rheinmetall Munitions, Inc. is a leading U.S. supplier for infantry munitions, medium caliber, direct and indirect fire large caliber munitions.
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The Kinetic Group
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Our brands lead in every category and are the heart and soul of our company. B&P. CCI. FEDERAL. Fiocchi. HEVI. REMINGTON. SPEER.
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Winchester Military
East Alton, IL
Winchester is the largest manufacturer of small caliber ammunition for the U.S. military. Proven in battle for more than 100 years, we've delivered trusted.
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Ammo and Bullet
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We are Ammo and Bullet, an ammunition manufacturer based in Arundel, Maine. Our company develops and produces high-quality ammunition for the military, law.
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Ammo By Pistol Pete
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Ammo by Pistol Pete is a high-quality American ammunition manufacturer, selling ammo for 9mm,223, 300 Blackout,45, and more! Shop with us today!
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American Ordnance LLC
Middletown, IA
American Ordnance LLC (AO) is a premier manufacturer of ammunition to the United States Military. American Ordnance LLC is one of the Day & Zimmermann, Inc.
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Black Hills Ammunition
Rapid City, SD
We supply all match 5.56 ammunition for the US Military's Service Rifle Teams and provide specialty ammunition for specific military operations.
Phone available
CCI Ammunition
Anoka, MN
Stock up on CCI Velocitor.22 Long Rifle ammo now on sale at Dirty Bird USA! Featuring a powerful 40-grain plated hollow point.
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Federal Premium
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Fly rods, guns, ammo. you know, the basics. Competition season ready 🎯 federalpremium • #sportingclays.
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Gorilla Ammunition
Sebastian, FL
American Made. Proudly manufactured in the USA! Our tight-knit team designs, engineers, and loads your favorite ammo right here in Sebastian, FL. LEARN ABOUT.
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Hornady Law Enforcement
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Hornady ammunition combines cutting-edge innovation and relentless testing to give you the ultimate tactical advantage. Watch How We Do It. When lives are on th.
Phone available
ICC Ammo
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World leaders in lead-free and frangible ammunition. Available in pistol, rifle, and shotgun calibers. Safe, reliable, and lead-free.
Phone available
Nosler
Redmond, OR
Nosler, the world's finest bullets, ammunition, rifles, & brass. We manufacture Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition and much more.
Phone available
PMC Ammunition
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Law Enforcement AMERICA'S COMPANY AMERICA'S AMMUNITION DISTRIBUTORS. Cartridges Houston, Texas Copyright 2026 PMC Ammunition.
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PPU USA
Stratford, CT
Our Subsonic ammunition is engineered for firearms designed to function with reduced cartridge velocity and pressure. Therefore, not all semi-auto firearms will.
Phone available
Remington
Anoka, MN
For more than 200 years, Remington firearms have been forged from the untamed spirit that will always define the American spirit — Revolutionizing an.
Phone available
Speer Ammunition
Anoka, MN
Speer Ammunition is the No. 1 choice of law enforcement agencies nationwide—from the NYPD to California Highway Patrol and everywhere in between.
Phone available
Ultra Defense Corp
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Ultra Defense Corp Proudly Produces small and medium caliber ammunition to the exacting standards of the worlds most demanding customers.
Phone available
Aguila Ammunition
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Aguila Ammo is one manufacturers of ammunition for rimfire, shotshell, and centerfire with a wide range of calibers available to shooters of all.
No contact on file
Day & Zimmermann
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Day & Zimmermann plays a vital role in the defense sector by manufacturing, storing and demilitarizing a wide variety of ammunition products.
No contact on file
Green Country Ammo
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Green Country Ammo takes pride in our ability to provide custom and contract loading services for our customers.
No contact on file
Steinel Ammunition Co.
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Steinel Ammunition Co. is a premium ammo manufacturer in the USA, specializing in vintage military surplus & modern rifle, handgun ammo and reloading.
No contact on file
Texas Precision Ammunition Co.
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We forge three worlds together from component quality, ballistics, and manufacturing craftsmanship to deliver the most consistent, reliable round built to SAAMI.
No contact on file
Winchester Ammunition
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Winchester Ammunition manufactures ammo for all shooting activities including hunting, sport, target and personal defense.
No contact on file
Winchester Law Enforcement
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Winchester Law Enforcement crafts high performance ammunition to arm officers with ammo available for active duty.
No contact on file
Get all 50 companies with 28 emails, 38 phone numbers, and 50 website links
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How to Choose a Company
- Verify the manufacturer's specific licensing with the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) for ammunition production, and if your application involves export or military contracts, confirm their Directorate of Defense Trade Controls (DDTC) registration and International Traffic in Arms Regulations (ITAR) compliance.
- Assess their internal ballistics testing capabilities, specifically looking for facilities equipped with piezoelectric transducers for precise pressure measurement, Oehler 35P or similar chronographs for velocity data, and repeatable accuracy testing setups (e.g., Ransom Rest or machine rests) to validate ballistic coefficient and group size consistency.
- Demand clear evidence of robust quality control protocols, including detailed lot traceability from raw materials (brass, primer, propellant, projectile) through finished goods, and request Certificates of Conformance (CoC) for each component batch to ensure adherence to material specifications and avoid unpredictable performance issues or catastrophic failures.
- Beware of manufacturers who cannot provide comprehensive over-pressure testing data for their loads or who dismiss the importance of temperature stability testing; inconsistent pressure curves or extreme temperature sensitivity are red flags indicating a lack of thorough load development and potential safety risks.
- Determine their capacity for specific brass case forming or annealing processes if you require non-standard calibers or desire extended case life for reloading; not all manufacturers possess the specialized tooling or expertise for intricate case manufacturing beyond standard commercial offerings.
Frequently Asked Questions
What's the significance of SAAMI vs. CIP standards when evaluating ammunition manufacturers?
SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) sets voluntary technical standards for ammunition and firearms in the United States, focusing on safety, interchangeability, and performance. CIP (Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) is the European equivalent, providing mandatory proof testing and standards across member states. For US-based purchases, SAAMI compliance is generally expected, while CIP compliance is crucial if your product or its components will be sold or used in Europe, ensuring regulatory adherence and reducing liability risks across international markets.
How critical is lot traceability in ammunition manufacturing, and what should I expect from a supplier?
Lot traceability is paramount in ammunition manufacturing for quality control, safety, and recall management. A reputable manufacturer should provide detailed records linking every finished cartridge to its specific component batches (primer, propellant, brass, projectile), production date, and quality inspection results. This allows for precise identification and isolation of any performance issues, ensuring that if a defect is found in one batch, its origin can be traced and affected units recalled efficiently, safeguarding end-users and brand reputation.
What are the key differences between Boxer and Berdan primers, and why does it matter for my sourcing decision?
Boxer primers, common in the US, have a single central flash hole in the cartridge case, allowing for easy decapping and reloading. Berdan primers, prevalent in Europe and military ammunition, have two or more flash holes and an anvil integral to the case, making them difficult or impossible to reload. Your choice impacts reloading potential, component availability, and cost, especially if you plan on reusing spent brass or operating in regions where one type is more common or regulated.
Beyond velocity and energy, what specific ballistic data should I request from an ammunition manufacturer?
For a truly informed decision, request data beyond basic velocity and energy figures. Critical data includes average chamber pressure (often measured via piezoelectric transducers), standard deviation (SD) for velocity (lower SD indicates better consistency), group size or accuracy data at specific ranges (e.g., 5-shot groups at 100 yards from a test barrel), and temperature sensitivity testing. This comprehensive data provides a clearer picture of consistency, reliability, and real-world performance under varying conditions.