Home Forums Hunting & Shooting Express Rifles and Big Bores Only win 94 bb 356 with 180 gr speer

been studying on using 180 gr speer in my 356 win bb. been using 220 gr speer with max dose of h322 from speer #13. any ids on powder and charge? start? max? vel with charge?

Its a medium bore, but:
<br>
<br>.356 Winchester
<br>Maximum Case Length 2.0150
<br>Maximum Cartridge Length 2.315
<br>
<br>180GR Speer .358"
<br>
<br>Powder Charge Velocity
<br>
<br>AA2015BR 47.0C 2654
<br>
<br>VIHT. N133 46.0C 2577
<br>
<br>H322 48.0 2569
<br>
<br>H335 48.0 2502
<br>
<br>IMR4064 50.0 2470
<br>
<br>BL-C(2) 51.0C 2466
<br>
<br>IMR4895 49.0 2403
<br>
<br>IMR3031 46.0 2395
<br>
<br>Re7 40.0 2358
<br>
<br>748 51.0 2351
<br>
<br>IMR4320 47.0 2328
<br>
<br>Maximum loads, reduce by 10% and work up
<br>
<br>C=compressed load

Why ? Those bullets were designed to expand at .35 Rem velocities. I understand the 180 gr. bullet works well at pistol speeds. Which means it might not hold together too well at .356 speeds.
<br> I think I'd stick with the 220 gr. bullets. E