If you have the bullets you want to use , and the powder you want to use , about all you can do for less recoil is go to the min starting loads of powder . the most common way to lower recoil is lighter bullets , and going to a reduced load of powder . faster powders will lower recoil too ...
use the Hodgdon H4895 reduced load formula . you can up the powder charge to where the recoil is acceptable . the 60% reduced minimum loads , are usually very very mild .
https://hodgdonreloading.com/rldc/...
I hunted N. Carolina with a guy that used the 350 Legend , and factory ammo . the cartridge worked well on whitetails . I don't ever recall him complaining about it .
If Scottys brown paper doesn't work out . my ole friend that did catering , would save me the short pieces of the white paper table cover that comes on a roll . I'd use this to cover the backboard , and put a colored paper , for a target on it . worked well for long range shooting ...
the Remington core lokt , 180 Round nose bullets , was my Dads favorite bullet for hunting . sometimes it really made a mess out of the deer . Dad had one centerfire rifle , a 30.06
I can't enlarge the pic , but what I can see , it does not look like they are leaking gas around the primers . I'd try to tighten them for these low PSI loads . put a little fingernail polish on the head stamp , so you can keep track of them .
that's great , you found the powder . it was hard to get for a while .
I loaded Denise's X-Bolt 7mm-08 , 39.0 grains of H4895 , 120 grain Ballistic tip bullet , 2.800" COAL . this will duplicate the recoil a 243 has , shooting 100 grain bullets .
post #4 has a target...