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Winchester Powder Autocomp 1 # Can # Autocomp


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AutoComp is extremely fine in the 38 Super, 9MM, 45ACP and 40 S&W race guns.  Competition pistol powder ideal at delivering maximum semi auto cartridge and race pistol compensator performance.  Thispowder has a longer duration pressure time relationship offering a higher volume of gas for higher velocity and improved pistol compensator effectiveness.

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