Winchester StaBALL HD
Winchester StaBALL HD is a temperature-insensitive, double-base, BALL Powder, stable in extreme-hot or -cold conditions. This slow-burning magnum… Read more about StaBALL HD
Burn rate: 0.6Rifle calibers
Winchester Powder Load Data
Winchester Repeating Arms Company holds a distinguished place in American firearms history as one of the most iconic manufacturers of repeating rifles and ammunition. Founded in 1866 by Oliver Winchester in New Haven, Connecticut, the company quickly became renowned for its innovative lever-action rifles, including the legendary Winchester Model 1873, often dubbed "The Gun That Won the West."
Despite its early success and influence, the company faced financial challenges during the Great Depression and entered receivership in 1931. It was subsequently acquired by the Western Cartridge Company, which later evolved into the Olin Corporation. Today, Olin still owns the Winchester brand name for ammunition production, continuing the legacy of reliable and high-performance cartridges under the Winchester label.
The Winchester firearms brand, however, operates under license agreements. Firearms bearing the Winchester name are now manufactured by subsidiaries of the Herstal Group—specifically FN Herstal in Belgium and the Browning Arms Company, headquartered in Ogden, Utah. These manufacturers uphold the Winchester tradition by producing a range of hunting and sporting firearms, including modern versions of the company’s historic models.
Though the original Winchester Repeating Arms Company no longer exists as an independent entity, the Winchester name endures as a symbol of innovation, craftsmanship, and American frontier heritage, thanks to its continued use in both ammunition and firearm markets.
We have load data for the following Winchester powders:
Winchester Supreme 780
Here’s a 200-word summary of Winchester Supreme 780 based on available information: ⸻ Winchester Supreme 780 is a smokeless rifle powder originally… Read more about Supreme 780
Burn rate: 1.4Rifle calibers
Winchester 572
Winchester 572 is a BALL POWDER® strategically designed to optimize a myriad of shotshell and handgun loads. First, 572 has the correct burn rate to… Read more about 572
Burn rate: 1.5Handgun calibersShotshell
Winchester 6.5 StaBALL
Winchester StaBALL 6.5 is the worlds first temperature-insensitive BALL Powder, stable in extreme-hot or -cold conditions. It provides optimal… Read more about 6.5 StaBall
Burn rate: 2.4Rifle calibers
Winchester 760
Winchester 760 is a ball powder designed to duplicate the 30-06 Springfield factory load ballistics. With ideal flow characteristics that give 760 an… Read more about 760
Burn rate: 3Rifle calibers
Winchester 748
Winchester 748 is a ball powder and the choice for loading 223 Remington cartridges. The low-flame temperature extends barrel life compared to other… Read more about 748
Burn rate: 4.6Rifle calibers
Winchester StaBALL Match
inchester StaBAL Match is a temperature-insensitive, double-base, BALL Powder, stable in extreme-hot or -cold conditions. This powder provides… Read more about StaBALL Match
Burn rate: 4.8Rifle calibers
Winchester 244
Winchester WinClean 244 is a modern double-base spherical (BALL) handgun powder introduced to provide clean-burning, low-flash performance across a… Read more about 244
Burn rate: 6.4Handgun calibers
Winchester 296
Winchester 296 is a ball powder developed for large handgun loads. An ideal solution for loading 357 Magnum, 44 Magnum, and even 410-bore shotshell… Read more about 296
Burn rate: 6.4Handgun calibersShotshell
Winchester 231
Winchester 231 is a ball powder, one of the most popular handgun propellants in history. It is ideally suited to 38 Special, 45 Auto, and 9mm… Read more about 231
Burn rate: 8.4Handgun calibers
Winchester AutoComp
Winchester AutoComp is a smokeless pistol powder developed specifically for high-performance semi-automatic handgun cartridges. As its name suggests… Read more about AutoComp
Burn rate: 9Handgun calibers
Burn rate is a relative scale: lower values burn slower, higher values burn faster.
Sample Winchester load data
A cross-section of calculated Winchester loads from our database, covering different calibers and bullets. Open a powder or caliber to see the full load tables.
Last updated: October 27, 2026
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Popular load data
Looking for a specific cartridge? Browse the most requested calibers loaded with these powders:
- .300 Win. Mag. 3,117 loads
- .300 Weath. Mag. 2,905 loads
- .300 H&H Mag. 2,693 loads
- .308 Norma Mag. 2,625 loads
- .30-06 Spring. 2,436 loads
- .300 Blaser Mag. 2,346 loads
- .300 WSM 2,276 loads
- .300 Rem. Ultra Mag. 1,987 loads
- .30 Nosler 1,966 loads
- 7.82 Warbird 1,951 loads
- .308 Win. 1,879 loads
- .30-378 Weath. Mag. 1,872 loads
- All calibers with load data
Frequently asked questions about Winchester powders
This page lists 11 Winchester powders with load data: Winchester StaBALL HD, Winchester Supreme 780, Winchester 572, Winchester 6.5 StaBALL, Winchester 760, Winchester 748, Winchester StaBALL Match, Winchester 244, Winchester 296, Winchester 231, Winchester AutoComp .
Winchester StaBALL HD has the slowest burn rate at 0.6, and Winchester AutoComp the fastest at 9. Lower values burn slower.
We hold load data using Winchester powders for 409 calibers. The most common ones are .300 Win. Mag., .300 Weath. Mag., .300 H&H Mag., .308 Norma Mag., .30-06 Spring., .300 Blaser Mag., .300 WSM, .300 Rem. Ultra Mag..
None of the Winchester powders in our data is currently flagged for subsonic loads.
Currently 157,074 load records using Winchester powders, spread across 409 calibers.
The values are calculated with an inner-ballistics engine across the full charge range and cross-checked against Winchester product data. They are reference data for experienced handloaders: always start at the minimum charge, work up carefully and cross-check against current published data before firing.