Designed specifically for low-velocity lead bullets suitable for Cowboy Action shooting, IMR® Trail Boss® Smokeless Handgun Powder gives reloaders a safe, stable accelerant. Trail Boss powder delivers a very high loading density, good flow through powder measures, and stability through severe temperature variations. Primarily a pistol powder, this versatile smokeless powder also offers some rifle applications. 9 oz.

• Designed specifically for low-velocity lead bullets
• Suitable for Cowboy Action shooting
• Versatile powder also works in some rifle loads
• Very high loading density
• Good flow through powder measures for accuracy
• Stable through severe temperature fluctuations

imr trail boss