HS-6 is a fine spherical propellant that has wide application in pistol and shotshell. In pistol, 9mm, 38 Super, 40 S&W and 10mm Auto are some of the cartridges where HS-6 provides top performance. In shotshell HS-6 yields excellent heavy field loadings in 10 ga., 12 ga., 20 ga., and even the efficient and effective 28 ga. HS-6 is truly an outstanding spherical propellant. HS-6 is identical to Winchester's discontinued 540.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 HS-6 Smokeless Pistol / Shotgun Powder | Size 1 lb