458 Winchester Magnum

 


 Jacketed

 
   Bullet      Powder Grs Primer Case C.O.L Velocity
             
300gr R-P  H4198 63 Fed 215 W-W 2.950 2247**

Cast

      Bullet Powder Grs Primer Case C.O.L Velocity
525gr Lyman H-335 73 WLR W-W 3.340 2121**
405gr GC H4198 65 Fed 215 W-W 2.945 2283**

These loads are near maximum, reduce by at least 5% to start.
 

**Velocities are from a Ruger #1 with a 24" barrel.