based on 150 grain bullet

7mmWSM
[ul]200 yrds 2648 FPS 2335 ft lbs
300 yrds 2396 FPS 1911 ft lbs[/ul]

270WSM
[ul]200 yrds 2601 FPS 2252 ft lbs
300 yrds 2350 FPS 1839 ft lbs[/ul]

300 mag
[ul]200 yrds 2636 FPS 2314 ft lbs
300 yrds 2442 FPS 1827 ft lbs[/ul]

270
[ul]200 yrds 2336 FPS 1817 ft lbs
300 yrds 2442 FPS 1827 ft lbs[/ul]