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But if you were to compared apples to apples, you'd compare 107's in 6.5 to 155's in 308, where now the gap in recoil expands even more. Or compare 200 grain 30 cal to 140 grain 6.5.
Why compare such different weight bullets? Compare bullets commonly shot in both cartridges, as close in weight as possible, with same velocity. Make sense? If anybody can noticeably feel a difference in recoil between a 140 and a 155 in equal rigs, ill ask lowlight to kiss their ass. Roughly same case capacity. Close bullet weight. Traveling at the same speed. Tell me where im fucking up. Is that 15gr difference going to whop you out of the chair? Now the difference in 130/155 or 140/178 is there. But not 140/155. Not everybody shoots bullets heavier than 155 in their 308's. The 155 TMK is pretty good out of a 308.
Another example....I could load a 264 WM with a 143gr eld, and load a 7mm RM with a 150gr eld, at equal velocities, in equal rigs, and you (or anybody in this thread) could tell me which had the most recoil based on shooting it and not based on an app?
You aren't screwing up and most see your point. BTW 260 and 7-08 can be compared and the recoil vs performance will be closer like your magnums example. You know how I look at things like this by now. I'm after the least wind drift as usual. I comment so the newbs will see the difference.
Too answer, because for me doing so makes a point. In my example it'd be close on "BC's" between a 107/6.5 vs 155/30 but in the common 6.5's you can drive a 107 to 3100 fps, maybe faster. Just like the 140/6.5 and the 200/30 has like BC's with 200gr going really slow and recoiling a bit more.
Basically you get less wind drift and less recoil with the 6.5.
What I'm assuming is the OP wants the least recoil ???
It mostly depends on the weapon configuration. Nobody is really going to notice a 2-3 ft lb difference in recoil if both guns are identical.
Shoot a 155gr at 2850fps out of a 308, and then shoot a 140gr at 2850fps out of a 6.5 CM and tell me how brutal the 155gr recoil is. A lot of ppl have a 15lb 6.5 CM for PRS and want to build a "shorty" 308 and then bitch because it recoils hard. Ive shot lightweight 243's that will thump shooting 105's in a shitty stock. Again, all in the configuration.
All and all, yes the 308 does recoil more shooting 178gr, but its not enough to say..."Fuck this!". If so, the shooter is a 90lb girl.
Yes, I am looking to the 6.5CM over the .308 for the purpose of less "hop" and the ability to track the shot for follow ups and the performance the 6.5 has over the .308 at range.