Accurate 9 Smokeless Powder (1 Lb) by WESTERN & ACCURATE POWDER Aa 9 powder for Sale in Stock is a double-base, spherical powder that is ideal for high power loads in traditional magnums such as the 357 Mag, 41 Rem Mag and 44 Rem Mag. It is particularly well suited to the 357 Sig and 10mm Auto, providing high velocities and excellent case-fill. Aa 9 powder can also be used with large magnums such as the 460 S&W and 500 S&W for economical target loads. Made in the USA.
