Mysterious Stranger Posted March 15 Share Posted March 15 I think it is generally accepted that it is a bullet's momentum (weight x velocity) that knocks down a knock-down target. How MUCH momentum is needed? I am asking because the only powder I can get for my CAS loads right now is TiteGroup, and testing loads with one of my two handguns seems to show that the preferred load for accuracy is one that delivers a 158g Hornady swaged bullet with only about 680 fps velocity. In fact, the testing seems to show that the HOTTEST load that Hornady recommends for this bullet weight with TitGroup generates 900 fps , BUT my handgun (a) only egnerated a bit over 800 fps with it, and seems to HATE that load (really poor accuracy). Will 158g x 680 fps = 107,440 power factor be sufficient to knock down the targets? Jim G Quote Link to comment Share on other sites More sharing options...
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