Accurate No. 7 is an intermediate burning double-base spherical powder suitable for a wide range of handgun calibers. No. 7 is an excellent choice for high performance semi-auto handguns such as the 357 Sig 38 Super and 40 S&W. No. 7 is also a cost effective solution in larger magnum handgun calibers. Made in the USA.
  
Bulk Density(grams/cc) +/-3.6% 0.985 VMD(cc/grams) 1.015 
Bulk Density(grains/cc) +/-3.6% 15.201 VMD(cc/grains) 0.066