Power Pro 4000-MR offers superior velocity and Lot-to-Lot uniformity. A spherical powder designed for magnum rifle calibers, the 4000-MR powder delivers improved velocity and density for easier metering. Because it’s designed for specific cartridge and applications, it will allow reloaders to create a load similar to factory loaded ammunition. the 4000-MR powder offers superior performance for 7mm and 300 Winchester Magnum cartridges.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.