IMR Powder 8208 XBR Rifle Powder is loaded with features. The powder is smokeless, insensitive to hot and cold temperatures, yields maximum velocities, and delivers absolute accuracy. In the line of fine propellants by IMR, this powder is the latest. The powder also offers easy and accurate metering because of the short grains and is designed specifically for AR sniper, match, and varmint cartridge reloading. The powder works great for 6mm PPC, .308 Winchester, .223 Remington, and other cartridges. Although this powder offers extreme versatility, it is one of the preferred powders for people who enjoy varmint hunting.