Float Pilot
Member
Keep in mind even with 110 grs. of powder, that bullet would probably be traveling in the neighborhood of 1150 to 1250 fps.
Actually a 544 grain (Brooks) .458 caliber bullet with a 90-100 grains (weighed) load of Swiss one and a half F Black powder will give you 1,325 fps to 1,375 fps from a 34 inch barreled 45-2-7/8th inch case (which was introduced in January 1876) (called 45-110).
At 1,000 yards that 544 grain projectile is still going 770 fps.
My .50 caliber x 2.5 inch case Sharps Long Range Rifle (called a 50-90) will fire a 610 grain bullet at 1,345 fps from my 34 inch barrel, using 100 grains of Swiss 1.5 F black powder.
At 1,000 yards my 610 grain, 50 caliber bullet is still going 740 fps.
The sights will allow for the proper elevation if you are good at rather exact range estimation.