Hodgdon Powder Company · Ball
AutoComp
Ball powder optimized for compensated semi-automatic pistols.
- Manufacturer
- Winchester
- Grain shape
- Ball
- Burn rank
- #25
- Category
- Medium-Fast
- Temp sensitivity
- Low
- Application
- Pistol
- Origin
- USA
- Status
- Active
Burn-rate position
FastestSlowest
Typical cartridges
By cartridge
.38 Super also used: Vihtavuori N320, N330, RS24
9mm Luger also used: No. 2, N310, Bull's-Eye
.40 S&W also used: Bull's-Eye, Clays, Vihtavuori N320
Similar burn rate
Supply & handling
- Availability (US)
- Common
- Shortage-prone
- No
- Suppressor-friendly
- Yes
- Flash-suppressed
- No
About this powder
AutoComp was developed specifically for competition pistol shooting. Its medium-fast burn rate and ball shape produce consistent velocities in 9mm, .38 Super, and .40 S&W for USPSA and IPSC competition. The ball shape provides exceptional metering precision from progressive press powder measures.
Sources & provenance
- Manufacturer Lee Precision — Powder VMD Chart archived
- Manufacturer Hodgdon Powder Company (Winchester Smokeless Propellant brand owner/distributor) — Winchester's New StaBALL 6.5 (article by Steve Gash)
- Manufacturer St. Marks Powder, Inc. (General Dynamics) / Winchester Smokeless Propellant, hosted by Hodgdon — BALL Powder Propellant Safety Data Sheet, November 2022 (Rev. 10, 12/11/2021) — lists Winchester StaBALL 6.5 by name archived
- Manufacturer Winchester — Winchester — published load/burn-rate data archived