When they break traction on a roll it means you have plenty, right?I'd second that!
Ol Captain chaos and his 25stw ditch cutter lol.
Your dad has the bonus of only shooting that 25STW like what maybe 10 times a year?
In racing terms "there is no replacement for displacement" UNTIL you can't get traction!
The conclusion I've come to is there is a tipping point of diminishing returns at ABOUT ....
65-70gr h20 capacity for 257
70-80gr h20 capacity for 264
75-85gr h20 capacity for 284
85-95+gr h20 capacity for 308
Past that and you start spinning tires.
Never tried that other way..