Pyrodex RS can be used in all calibers of percussion muzzleloading rifles and shotguns. It has a wide application of uses and is the most versatile powder in the Pyrodex line. Like all grades of Pyrodex, it burns cleaner and produces less fouling than blackpowder. RS compares to 2F blackpowder on a particle size basis. Our customers reside all across the country and are governed by numerous federal, state, county, city, and municipality regulations for these types of products. Please consult your area's laws and regulations governing this product and its use. | Hodgdon Pyrodex RS Rifle & Shotgun Powder | Size 1 lb