Winchester 231

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Technical Specifications:

Propellant / Powder:	Winchester 231
Relative Burn Rate:	8.4 (0 ... slow\| 10 ... fast)
Weapon Use:	Rifles, Pistols, Revolvers
Density:	96.76lbs/ft3 \| 1550kg/m3
Bulk Density:	43.45lbs/ft3 \| 696kg/m3
PID:	PID_317
Last updated:	2/18/2025

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 standard loads. Consistency, clean burning, low flash, and a broad range of applications make this powder a choice for any handgun cartridge loader.

Find all Winchester load data in the powder manufacturer section.