Buy the binoculars!!
I've done it with a .45 flintlock with a 42 inch barrel, with my .54 flintlock with a 38 inch barrel, with my 1100 deer shotgun and a 20 inch barrel and with my Ruger bolt action in
.243 wearing a 3x9x40 Leupold...
The gun doesn't matter, it's the hunter...