The worst part of the 40-90 is forming cases. It definitely has a noticible recoil, but nothing any worse than the others.
40-70 is a good cartridge if you want a 40 with some zip to it.

if you want upper end 40 cal ballistics in a straight case, there are 2 choices.
no 1 is the 40/72, which can utilize 405 win brass.
these cases fireformed will hold 84 gns of swiss 1.0 or 1.5 powder droptubed, and a 0.060 wad.
just compress a little and finger seat a pp bullet, and you nearly have a 40/90.
add a fast twist and you can shoot 1.5" long bullets at 1300+ fps and mix it with the 45s at 1000 yds.
if you want more try choice no 2.
run a baco 40 cal expander into 9.3 x 74 brass and make 40/85 ballard .
this will mix it with the 40/90 sbn on a level playing field.
should easily hold 90 gns.
keep safe,
bruce.

Wild Bill 40-90 BN Click for video

A video of my good buddy Wild Bill using his 40-90 BN on a buff hunt with me. 350 gr Hoch concave base paper patched to groove. This combo gets to target quicker than any BPCR combo I have shot to date. He used the same bullet in another gun for a one shot kill as well here. I have used the same bullet in my 40-65 for a one shot kill on a cow buff and deer as well. Very accurate. Having said all that my favorite buff rifle is the 2 -7/8 with a 550 gr PP bullet. As I always told clients it is not what you shoot them with but where you hit them that counts. Have seen a yearling buff continue to walk seemingly unaffected after 2 shots in the lungs from a 416 Rigby at 80 yards............Had another client use a 40-70 Straight on buff for a one shot kill.........don't totally discount those .40's

Wild Bill had a problem with his cases sticking and I told him to try turning the necks slightly. He did and said it cured the problem.

That rifleman's frock he is wearing he made himself from deer hides he brain tanned to the sewing and embroidery. A replica of one in a museum.

Rick

Rick.
My .44-90bn shoots faster then the .44-100 st using the same powder charge and bullet. The neck restriction has a lot to do with that I think.

Someday I would like to meet your friend Wild Bill.

Bruce I used the 9.3X74 cases for my .40-70 when I first got it. It's a little big at the base but it could be swaged down and worked well. A lot more consistent then the stretched 30/40 cases, but a pain in the neck to make them fit.

The chamber I want to change is a .40-65 and the 9.3x74 cases wont work for this project. I don't want to rechamber the .40-65 to increase the velocity I just want the .40-90 bn caliber to add to my other rifles that nobody wants

(07-24-2016, 11:33 AM)Kurt Wrote: Rick.
My .44-90bn shoots faster then the .44-100 st using the same powder charge and bullet. The neck restriction has a lot to do with that I think.

Someday I would like to meet your friend Wild Bill.

Kurt

I would agree with that, also the part about a little more recoil as well.
We will meet up with Bill one of your trips out here, you will like him.

Rick

If I were looking for a long range .40 target rifle, I would built a .40-82 WCF. I believe that you will find some on the firing line at long range matches. The only person other than my wife to use a .40-90 SBN for Creedmoor that I know of is Dan T. He tried one for a while and came to the same conclusions that I did from what he wrote about it. I replaced the .40-90 barrel with a .45-2.6SS and she liked it much more.