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3,380 Posts
Wolff spring will be too long for HK45C. It is designed for HK USP. I do not know if it will work properly cut down to fit HK45C.Will this "smooth" out the trigger? The weight doesn't bother me but the DA pull is kind of gritty. I seen that other people have put the wolff hammer spring in their HK's and I'm considering it to keep with DA/SA.