Manufacturer catalog

Winchester Ammunition and other commercial manufacturers

Winchester Ammunition is the Olin Corporation ammunition business behind many current Winchester-branded commercial, law-enforcement, and military small-caliber loads. This manufacturer grouping also covers cataloged ammunition families whose public sources document Winchester alongside other commercial producers rather than a single exclusive manufacturer.

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Olin describes Winchester as one of its three business segments and links the brand to more than 150 years of ammunition history. Current public filings describe Winchester's line as spanning major shotgun gauges, rimfire and centerfire pistol and rifle ammunition, reloading components, industrial cartridges, and small-caliber military ammunition.

The manufacturer scope is deliberately ammunition-focused. It covers Winchester Ammunition's current Olin business, its Lake City Army Ammunition Plant operating role, and commercial cartridge families that remain in production across Winchester and peer ammunition makers. The profile does not assign conflict use to the manufacturer; individual weapon and munition pages carry any directly sourced conflict-use records.

Commercial rifle and pistol ammunitionShotshell and buckshot loadsLaw-enforcement ammunitionSmall-caliber military ammunitionReloading components and industrial cartridges

Notable Systems

.30-06 Springfield cartridge, Rimless bottleneck rifle cartridge and .30 caliber machine-gun ammunition, Munitions

.30-06 Springfield cartridge

Rimless bottleneck rifle cartridge and .30 caliber machine-gun ammunition

The cataloged .30-06 Springfield page uses this manufacturer grouping because modern public sources include Winchester commercial M1 Garand ammunition alongside other current commercial .30-06 load producers.

Sources: Winchester M1 Garand, Olin 2025 Form 10-K
.308 Winchester cartridge, Centerfire rifle cartridge in .308 Win, Munitions

.308 Winchester cartridge

Centerfire rifle cartridge in .308 Win

The .308 Winchester cartridge page is tied to Winchester's 1952 commercial-cartridge lineage and to current factory loads documented by Winchester and other commercial manufacturers.

Sources: Winchester S308M2, Olin 2025 Form 10-K
12 Gauge Buckshot, 12-gauge shotgun shell loaded with buckshot pellets, Munitions

12 Gauge Buckshot

12-gauge shotgun shell loaded with buckshot pellets

Current Winchester, Federal, and Remington product pages show 12-gauge buckshot as a multi-producer commercial shotshell family rather than a single proprietary model.

Sources: Winchester XB1200, Olin 2025 Form 10-K

Manufacturer History

  1. Winchester Repeating Arms Company is established

    Winchester's public history traces the ammunition brand lineage to Oliver Winchester's 1866 founding of the Winchester Repeating Arms Company to build guns and ammunition.

    Sources: About Winchester

  2. Winchester assumes Lake City operating control

    Olin reported that Winchester assumed full management and operational control of the Lake City Army Ammunition Plant in Independence, Missouri, for small-caliber military ammunition production.

    Sources: Olin 2025 Form 10-K, Winchester Military

  3. 6.8 mm Lake City facility breaks ground

    Olin announced that Winchester and U.S. Army organizations marked groundbreaking for a 450,000-square-foot 6.8 mm ammunition facility at Lake City for the Next Generation Squad Weapon program.

    Sources: NGSW facility groundbreaking

  4. AMMO, Inc. assets join Winchester segment

    Olin completed the acquisition of AMMO, Inc. small-caliber ammunition assets, including brass shellcase capabilities and a Manitowoc, Wisconsin production facility, for the Winchester Ammunition business.

    Sources: AMMO asset acquisition

Predecessors
Winchester Repeating Arms CompanyWestern Cartridge Company
Subsidiaries
White Flyer Targets
Website links
Winchester AmmunitionWinchester MilitaryOlin investor overviewOlin 2025 Form 10-K

This profile covers Winchester Ammunition plus cataloged commercial ammunition families where public sources identify Winchester together with other producers. Short names such as Winchester and Multiple ammunition manufacturers are maintained as separate manufacturer profiles and are not duplicated as aliases here.

Manufacturer Sources

  • Olin investor overviewPublisher: Olin Corporation | Note: Supports Olin's three-segment structure and Winchester Ammunition as one of those segments. | Accessed: 2026-07-11
  • Olin 2025 Form 10-KPublisher: U.S. Securities and Exchange Commission | Note: Supports Winchester segment products, Lake City operating role, military ammunition contracts, White Flyer integration, AMMO asset acquisition, and employee context. | Accessed: 2026-07-11
  • Winchester CSR ReportPublisher: Winchester Ammunition | Note: Supports Winchester's description as a U.S. small-caliber ammunition manufacturer serving hunting, sport, law enforcement, and the U.S. military. | Accessed: 2026-07-11
  • About WinchesterPublisher: Winchester | Note: Supports the 1866 Winchester brand origin and public Winchester ammunition history timeline. | Accessed: 2026-07-11
  • Winchester MilitaryPublisher: Winchester Ammunition | Note: Supports current Winchester military-ammunition positioning and Lake City management-control context. | Accessed: 2026-07-11
  • NGSW facility groundbreakingPublisher: U.S. Securities and Exchange Commission | Note: Supports the February 2025 Lake City 6.8 mm ammunition facility groundbreaking, its NGSW program connection, and Winchester principal manufacturing focus. | Accessed: 2026-07-11
  • AMMO asset acquisitionPublisher: U.S. Securities and Exchange Commission | Note: Supports Olin's April 2025 completion of the AMMO, Inc. small-caliber ammunition asset acquisition into Winchester Ammunition. | Accessed: 2026-07-11
  • Winchester M1 GarandPublisher: Winchester Ammunition | Note: Supports Winchester's current .30-06 Springfield M1 Garand commercial ammunition example. | Accessed: 2026-07-11
  • Winchester S308M2Publisher: Winchester Ammunition | Note: Supports a current Winchester .308 Winchester factory-loaded match cartridge example. | Accessed: 2026-07-11
  • Winchester XB1200Publisher: Winchester Ammunition | Note: Supports a current Winchester 12-gauge buckshot shotshell example. | Accessed: 2026-07-11

Produced weapons

Category

Munitions

Standalone missiles, bombs, rockets, torpedoes, and guided or unguided explosive payloads.

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.30-06 Springfield cartridge, Rimless bottleneck rifle cartridge and .30 caliber machine-gun ammunition, Munitions.30-06 Springfield cartridgeRimless bottleneck rifle cartridge and .30 caliber machine-gun ammunitionBuilt in: United States / multiple countriesThe .30-06 Springfield cartridge is the U.S. .30 caliber rifle and machine-gun round rooted in the Cartridge, Ball, Caliber .30, Model of 1906 and recognized by SAAMI with equivalent names including 30-06 SPRG, 30 GOV'T -06, and 7.62x63mm. It links the M1903 rifle, M1 Garand, Browning Automatic Rifle, and Browning M1919-family machine guns, with major U.S. service loadings including M1906 Ball, M1 Ball, M2 Ball, M2 Armor Piercing, tracer, blank, dummy, grenade, frangible, and armor-piercing incendiary cartridges.