I have 2 HP .40.
I have shot one of them for tens of thousands of rounds in USPSA matches and practice. I first thought it was inaccurate until I found it liked Precision Delta 180gr FMJ over Titegroup, and will shoot 2" at 25yds. I keep a good recoil spring in it, and it has been extremely reliable with my major power handloads. It has a MecGar adjustable rear sight.

The other is a HP Practical .40 that shoots to point of aim (fixed sights)with 165gr FMJ. It has only a few thousand rounds throught it.

Both HP .40s are fitted with the Cylinder and Slide combat trigger assemblies which are just under 5#.

The only problem I find with the .40 HP is the recoil becomes tiring with major power loads after a couple hundred rounds.

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Science plus Art