Description No. 9: A slow-burning double-base spherical powder that's great for high power loads in traditional magnums, including the .357 Mag, .41 Rem Mag, and .44 Rem Mag. It's ideal for providing high velocities and an excellent case-fill, especially for the .357 Sig and 10mm auto. Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.