Somchem S221

Description

Somchem's S221 is a versatile, medium-fast burn rate propellant ideally suited for pistol and handgun load applications. With a burn rate positioned at 6.4, S221 is optimized for efficient combustion in a variety of calibers. This propellant is presented in a fine-grained, extruded form that contributes to superior metering properties, ensuring consistent charge weights during the reloading process. S221 exhibits notable temperature stability across a broad range of conditions, making it an excellent choice for load development in environments where temperature fluctuations are a concern. S221 is particularly popular among reloaders for calibers such as 9mm Luger, .45 ACP, and .40 S&W, where its performance enhances both accuracy and velocity potential. Handloaders will appreciate the ease of achieving desirable load densities and the tight standard deviations offered by this powder. When developing loads with S221, users are advised to consider slight adjustments to load data, focusing on safety and performance optimization. Somchem's commitment to quality and consistency gives reloaders the confidence needed to achieve precise ballistic results, reinforcing its reputation in the handloading community.

Specifications

Suitable Substitutes

Powders with a similar burn rate that may be suitable alternatives (also see burn rate chart):

Alliant Herco

Alliant Powder · Burn Rate: 7.4

Vihtavuori N340

Vihtavuori · Burn Rate: 7.4

Hodgdon HS-6

Hodgdon · Burn Rate: 7.4

Shooters World Auto Pistol

Shooters World · Burn Rate: 7.4

SNPE Vectan BA 9

VECTAN · Burn Rate: 7.4

ReloadSwiss RS 20

Reload Swiss · Burn Rate: 7.4