simple question

[Jevyod]

What hardness should I go for if I want no expansion at 1250 fps? Straight line penetration is the goal. I do powdercoat, not sure if that makes a difference. I only have COWW and pewter on hand, can I get by with that or will I need to go harder? BTW I do not have a hardness tester, just use the alloy calculator on here to get me close. I had used some 3-3-94 alloy this past year for deer hunting and it worked very well, but I am afraid that even at 1250 fps it would expand a bit? Thanks

[Dusty Bannister]

Cast of COWW Powder coat and when removing from the oven, quench in water. See how that does.

[Winger Ed.]

I'd get a RN mold and develop the most accurate load.

[fredj338]

I'd get a RN mold and develop the most accurate load.

RN dont typically penetrate in a straight line. A WNFP will fly straighter thru any medium. I agree, save the pewter, water dropped clip ww are not deforming much on meat @ 1250fps.

[contender1]

No matter the alloy,, if you powder coat,, and bake the paint on,, you are annealing the alloy. To harden them,, do as shown,, water quench them right out of the PC oven.

[Doughty]

If you want to get the most for your efforts, I suggest that you get your oven temperature over 400* and that you leave them in the oven at temperature for at least an hour. Then in less than 3 seconds from oven to water. Water doesn't need to be iced. I then try to size within a day. I then let them continue to harden for two weeks. Then check to make sure that the dimensions that are important to you are correct. Then load and shoot. Simple answer?