Winchester WST Powder in Stock have been around since the late 1800s, Customers that have shot Winchester factory loaded ammunition know that quality of propellant they’re receiving as soon as the first shot is fired. Bring that quality home to the reloading bench with the Winchester family of powders.

Winchester WST is an excellent target shotshell and standard velocity handgun propellant with low flash and smoke. Can be used for both 12 gauge shotgun loads and 45 ACP competition loads.

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Other Important Information:

• Do not exceed the loads displayed in the reloaders guide.
• Never mix any two powders regardless of type, brand, or source.
• Never substitute any smokeless powder for Black Powder or any Black Powder substitute.