A 35 Whelen ups the performance over a 358 some. Expect to have decisive kills to 300 with the 225 Sierra SP. Most any '06'can be rebored to the Whelen.
Another step up is the 358 Norma. Expect another 50-100 yards over the Whelen with most any bullet for decisive kills. A 338 Win can be rebored readily. The 35 Sambar is about equal.
Knowing the 358 and then really knowing it, expect you can milk a little bit more out of it. Having the slower bullet impact speeds meet resistance will improve energy transfer and results in the field.
Another step up is the 358 Norma. Expect another 50-100 yards over the Whelen with most any bullet for decisive kills. A 338 Win can be rebored readily. The 35 Sambar is about equal.
Knowing the 358 and then really knowing it, expect you can milk a little bit more out of it. Having the slower bullet impact speeds meet resistance will improve energy transfer and results in the field.