Our Extreme Series extruded propellant H4350 has been a shooter favorite for decades. Hodgdon has improved H4350 in that time by making it more resistant to temperature extremes and by shortening the grains so that they can be metered more accurately.
H4350 is widely used because of its performance in the WSM family of cartridges, which includes the 243 Winchester, 6mm Remington, 270 Winchester, 338 Winchester Magnum, and many more (270, 7mm, 30, 325). best for magnums that use standard-weight bullets.
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