This 9mm hammer is designed to be used to convert an AR15 to shoot 9mm.
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Very good product for the price. I was planning on cutting down a mil-spec hammer but not worth doing for the price that this one costs.
This hammer works as exspected.makes my gun fire every time.
The hammer itself is nice and well designed. A word of advice, if you are installing it in a New Frontier Armory polymer lower, it is not compatible with their polymer lower parts kit. I would recommend installing a metal lower kit.