The 180 SSP works well at short range also.

Difference between 358 Bellm and 356 Winchester? Not Much except the reloading data is not as hot for the 358 Bellm.

I do not believe I have a Reloading Manual with 356 Winchester Data in it at the moment.

358 Bellm Reloading Data
Brass Formed from 444 Marlin
Reloading Dies: 358 Winchester
Shell Holder: 30-30 Winchester
Max Trim Length: 2.200
180 Grain Bullet
H322 44.0 grains = 2262
H322 45.0 grains = 2289
H322 46.0 grains = 2346

308 Bellm
Brass formed from 444 Marlin
Reloading Dies: 308 Winchester
Shell Holder: 30-30 Winchester
130 Grain Bullets
IMR 4895 40.0 = 2126
IMR 4895 42.0 = 2275
IMR 4895 44.5 = 2432

Hornady 150 Grain Bullet
IMR 4895 39.0 = 2107
IMR 4895 41.0 = 2191
IMR 4895 43.0 = 2341

There is also a 7mm Bellm which uses 444 Marlin Brass and a 7-08 reloading die set. It requires a 358, and I believe a 308 sizing die to form cases from the mighty 444. It will drive a 120 to 2547, and a 139 Hornady to 2374.

Bellm rechambers barrels from other chamberings. Such as 357 Magnum, 357 Herrett, 357 Maximum, 35 Remington to 358 Bellm.