Accurate MagPro Smokeless Powder 1 lb Canister Accurate MagPro is a slow-burning, double-base, spherical rifle powder developed specifically for the short magnums of both Winchester (WSM) and Remington (SAUM), delivering consistent performance from excellent metering properties. Overview MagPro excels in the 6.5x284, .270 WSM, and 7mm WSM, and is also an excellent choice for belted cartridges such as the .300 Winchester Magnum, producing optimum velocities at nearly full case capacity in these modern calibers. Best Uses & Typical Calibers 6.5x284 Norma .270 Winchester Short Magnum (WSM) 7mm Winchester Short Magnum (WSM) .300 Winchester Magnum Key Benefits Spherical design for excellent, consistent metering Slow burn rate suited to short magnum case capacities Produces optimum velocities at near-full case capacity Made in the U.S.A. Reloading Notes Always use published load data from reliable sources for your chosen cartridge and bullet. Start with the minimum recommended load and work up carefully, watching for pressure signs. Store powder safely and follow established reloading practices. *Powders are non-returnable*