For those of you who own the HK P8A1, just wanted to let you all know that the match trigger kit for the USP is completely compatible. All the parts fit. The match trigger is the same one as the USP Expert, Elite, and Custom Sport. The single action pull is superb. Much lighter, smoother, and shorter reset than standard trigger. And has an adjustable screw to prevent over travel. DA trigger pull is lighter too. I picked up the match trigger kit for $130 from Wolverine Supplies.
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