ORIGINAL: Ridge Runner
there is no way a 270 wsm can achieve 270 weatherby velocities, not enough volume there. horse power is made with cubic inches
RR
I wouldn't necessarily disagree with you butHodgdon's data says differently.
270 weatherby:
130 GR. SPR SP H1000 76.0g = 2941fps - 81.0g = 3259 fps
130 GR. SPR SPH4831 67.0g = 3087fps- 70.0g =3205fps
130 GR. SPR SP H435062.0g=3110fps- 66.0=3262fps
270 WSM:
130 GR. HDY SP H483163.0g=3085fps67.0g = 3228fps
130 GR. HDY SPH435057.0g= 3093fps 60.5=3226fps
63,500 PSI
130 GR. HDY SPH41457.0g = 3065fps61.0g=3235