Winchester Staball 6.5 Precision Rifle Ball Powder Smokeless Propellant is the world's first temperature-insensitive BALL powder, which remains stable in extreme conditions, both hot and cold. Staball gives you optimum loading density in 6 Creedmoor, 6GT, 6.5 Creedmoor, 7mm-08, and 270 Winchester. Precise metering gives you enhanced velocity and stable deviation. Staball is REACH-compliant, offering environmentally green propellant with additives capable of reducing copper fouling. This gives you more accurate shots and longer runs between barrel cleaning. Staball 6.5 can get you 30-200 fps more than many powders in its class. BALL powder Temperature-insensitive propellant REACH-compliant Reduced copper fouling Low deviation and increased accuracy Increased fps