heavy BBl's are nice again for bench work, the added weight does help in field shooting , but there real gain is staying cool longer for more shots fired, before effecting acuracy
I know this might sound funny, but I know a few gusy that have heavy bbl 17's and then cut the bbl's down to just 18 inches to save a little weight and still get the down pressure of the heavy bbl
then again I know guys that cut down standard BBL's too to get the guns smaller
they really didn't loose much FPS on a chrono either
they did more for the kids to handle better and get lighter too, and then most end up using the smaller guns more themselves, due to just easier to carry LOL
my go to hunting rifle now is the lightest one I own
so guess you get older and smarter maybe, and don't need them big and heavy things like you did as a younger dumber man LOl