M642-1 Forcing Cone Angle

[mejetski2000]

Anyone know what the angle of the cone is on a new M642 ? I'm using the old 158 LSWC-HP and I'm wondering if having it cut at 11 degrees might help accuracy any with this bullet. I'm getting ready to send out for some custom work and trying to decide if this mod is worthwhile or not.

 

[Aussie44]

18 deg is best for what you are going to use.An 11 deg is best for wadcutters.

Ken

 

[dfariswheel]

Unless they've changed, the standard S&W forcing cone angle is 9 1/2 degrees, which is a good "do it all" angle.

 

[mejetski2000]

So maybe I should just run with what I have then ? Obviously it's no target gun but I'd like to get all I can out of it. I've developed several promising loads but I'm wondering what can be done to the gun for more accuracy...